641374538176 has 28 divisors (see below), whose sum is σ = 1273662913680. Its totient is φ = 320451599360.

The previous prime is 641374538173. The next prime is 641374538183. The reversal of 641374538176 is 671835473146.

It is a super-2 number, since 2×641374538176² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641374538173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594556 + ... + 3768763.

Almost surely, 2^641374538176 is an apocalyptic number.

It is an amenable number.

641374538176 is a deficient number, since it is larger than the sum of its proper divisors (632288375504).

641374538176 is a wasteful number, since it uses less digits than its factorization.

641374538176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364692 (or 7364682 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 641374538176 in words is "six hundred forty-one billion, three hundred seventy-four million, five hundred thirty-eight thousand, one hundred seventy-six".