671367551058 has 96 divisors (see below), whose sum is σ = 1509325708800. Its totient is φ = 221208742368.

The previous prime is 671367550979. The next prime is 671367551059. The reversal of 671367551058 is 850155763176.

It is a happy number.

671367551058 is a `hidden beast` number, since 6 + 7 + 1 + 3 + 6 + 75 + 510 + 58 = 666.

It is a super-2 number, since 2×671367551058² (a number of 24 digits) contains 22 as substring.

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 = 671367550995 and 671367551013.

It is not an unprimeable number, because it can be changed into a prime (671367551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375274428 + ... + 375276216.

It is an arithmetic number, because the mean of its divisors is an integer number (15722142800).

Almost surely, 2^671367551058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671367551058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754662854400).

671367551058 is an abundant number, since it is smaller than the sum of its proper divisors (837958157742).

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

671367551058 is a wasteful number, since it uses less digits than its factorization.

671367551058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The spelling of 671367551058 in words is "six hundred seventy-one billion, three hundred sixty-seven million, five hundred fifty-one thousand, fifty-eight".