56172160602 has 12 divisors (see below), whose sum is σ = 121706348010. Its totient is φ = 18724053528.

The previous prime is 56172160571. The next prime is 56172160613. The reversal of 56172160602 is 20606127165.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30530223441 + 25641937161 = 174729^2 + 160131^2 .

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 5 ways as a sum of consecutive naturals, for example, 1560337777 + ... + 1560337812.

Almost surely, 2^56172160602 is an apocalyptic number.

56172160602 is an abundant number, since it is smaller than the sum of its proper divisors (65534187408).

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

56172160602 is a wasteful number, since it uses less digits than its factorization.

56172160602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120675597 (or 3120675594 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 56172160602 its reverse (20606127165), we get a palindrome (76778287767).

The spelling of 56172160602 in words is "fifty-six billion, one hundred seventy-two million, one hundred sixty thousand, six hundred two".