252627207646 has 16 divisors (see below), whose sum is σ = 419559978240. Its totient is φ = 113116659480.

The previous prime is 252627207617. The next prime is 252627207683. The reversal of 252627207646 is 646702726252.

It is a happy number.

It is a super-2 number, since 2×252627207646² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252627207646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85692966 + ... + 85695913.

It is an arithmetic number, because the mean of its divisors is an integer number (26222498640).

Almost surely, 2^252627207646 is an apocalyptic number.

252627207646 is a deficient number, since it is larger than the sum of its proper divisors (166932770594).

252627207646 is a wasteful number, since it uses less digits than its factorization.

252627207646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171388959.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 252627207646 in words is "two hundred fifty-two billion, six hundred twenty-seven million, two hundred seven thousand, six hundred forty-six".