673859905551360 has 352 divisors, whose sum is σ = 2612483389728000. Its totient is φ = 163359976734720.

The previous prime is 673859905551347. The next prime is 673859905551409. The reversal of 673859905551360 is 63155509958376.

673859905551360 is a `hidden beast` number, since 6 + 7 + 3 + 8 + 5 + 9 + 9 + 0 + 5 + 551 + 3 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220050510 + ... + 223091789.

Almost surely, 2^{673859905551360} is an apocalyptic number.

673859905551360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673859905551360 is an abundant number, since it is smaller than the sum of its proper divisors (1938623484176640).

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

673859905551360 is a wasteful number, since it uses less digits than its factorization.

673859905551360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443142344 (or 443142320 counting only the distinct ones).

The product of its (nonzero) digits is 918540000, while the sum is 72.

The spelling of 673859905551360 in words is "six hundred seventy-three trillion, eight hundred fifty-nine billion, nine hundred five million, five hundred fifty-one thousand, three hundred sixty".