16675864772 has 24 divisors (see below), whose sum is σ = 33681950400. Its totient is φ = 7076037600.

The previous prime is 16675864771. The next prime is 16675864781. The reversal of 16675864772 is 27746857661.

It is a happy number.

It is a super-2 number, since 2×16675864772² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16675864771) 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, 2945522 + ... + 2951177.

It is an arithmetic number, because the mean of its divisors is an integer number (1403414600).

Almost surely, 2^16675864772 is an apocalyptic number.

It is an amenable number.

16675864772 is an abundant number, since it is smaller than the sum of its proper divisors (17006085628).

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

16675864772 is a wasteful number, since it uses less digits than its factorization.

16675864772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896811 (or 5896809 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 59.

The spelling of 16675864772 in words is "sixteen billion, six hundred seventy-five million, eight hundred sixty-four thousand, seven hundred seventy-two".