252163612671 has 8 divisors (see below), whose sum is σ = 336228474624. Its totient is φ = 168103912920.

The previous prime is 252163612669. The next prime is 252163612693. The reversal of 252163612671 is 176216361252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252163612671 - 2¹ = 252163612669 is a prime.

It is a super-2 number, since 2×252163612671² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252163612471) 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, 1175095 + ... + 1373016.

It is an arithmetic number, because the mean of its divisors is an integer number (42028559328).

Almost surely, 2^252163612671 is an apocalyptic number.

252163612671 is a deficient number, since it is larger than the sum of its proper divisors (84064861953).

252163612671 is a wasteful number, since it uses less digits than its factorization.

252163612671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581101.

The product of its digits is 181440, while the sum is 42.

The spelling of 252163612671 in words is "two hundred fifty-two billion, one hundred sixty-three million, six hundred twelve thousand, six hundred seventy-one".