11672570656 has 48 divisors (see below), whose sum is σ = 25241630400. Its totient is φ = 5288709888.

The previous prime is 11672570639. The next prime is 11672570659. The reversal of 11672570656 is 65607527611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (11672570659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403371 + ... + 431338.

It is an arithmetic number, because the mean of its divisors is an integer number (525867300).

Almost surely, 2^11672570656 is an apocalyptic number.

11672570656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11672570656 is an abundant number, since it is smaller than the sum of its proper divisors (13569059744).

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

11672570656 is a wasteful number, since it uses less digits than its factorization.

11672570656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834761 (or 834753 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 11672570656 in words is "eleven billion, six hundred seventy-two million, five hundred seventy thousand, six hundred fifty-six".