76501680156 has 72 divisors (see below), whose sum is σ = 211005220608. Its totient is φ = 23177268000.

The previous prime is 76501680113. The next prime is 76501680169. The reversal of 76501680156 is 65108610567.

76501680156 is a `hidden beast` number, since 76 + 501 + 68 + 0 + 15 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 2053011 + ... + 2089941.

It is an arithmetic number, because the mean of its divisors is an integer number (2930628064).

Almost surely, 2^76501680156 is an apocalyptic number.

It is an amenable number.

76501680156 is an abundant number, since it is smaller than the sum of its proper divisors (134503540452).

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

76501680156 is a wasteful number, since it uses less digits than its factorization.

76501680156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42183 (or 42178 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

It can be divided in two parts, 76501 and 680156, that added together give a palindrome (756657).

The spelling of 76501680156 in words is "seventy-six billion, five hundred one million, six hundred eighty thousand, one hundred fifty-six".