6657265172552 has 16 divisors (see below), whose sum is σ = 12687001251900. Its totient is φ = 3274064838720.

The previous prime is 6657265172507. The next prime is 6657265172563. The reversal of 6657265172552 is 2552715627566.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6606781373956 + 50483798596 = 2570366^2 + 224686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6657265172491 and 6657265172500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6820967927 + ... + 6820968902.

Almost surely, 2^{6657265172552} is an apocalyptic number.

It is an amenable number.

6657265172552 is a deficient number, since it is larger than the sum of its proper divisors (6029736079348).

6657265172552 is a wasteful number, since it uses less digits than its factorization.

6657265172552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641936896 (or 13641936892 counting only the distinct ones).

The product of its digits is 52920000, while the sum is 59.

The spelling of 6657265172552 in words is "six trillion, six hundred fifty-seven billion, two hundred sixty-five million, one hundred seventy-two thousand, five hundred fifty-two".