673457384160 has 384 divisors, whose sum is σ = 2576005286400. Its totient is φ = 162968924160.

The previous prime is 673457384143. The next prime is 673457384231. The reversal of 673457384160 is 61483754376.

It is a happy number.

673457384160 is a `hidden beast` number, since 6 + 7 + 3 + 4 + 573 + 8 + 4 + 1 + 60 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 673457384097 and 673457384106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27026427 + ... + 27051333.

It is an arithmetic number, because the mean of its divisors is an integer number (6708347100).

Almost surely, 2^673457384160 is an apocalyptic number.

673457384160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673457384160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288002643200).

673457384160 is an abundant number, since it is smaller than the sum of its proper divisors (1902547902240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673457384160 is a wasteful number, since it uses less digits than its factorization.

673457384160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511 (or 25497 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 673457384160 in words is "six hundred seventy-three billion, four hundred fifty-seven million, three hundred eighty-four thousand, one hundred sixty".