252371666507 has 16 divisors (see below), whose sum is σ = 258138209280. Its totient is φ = 246657703392.

The previous prime is 252371666483. The next prime is 252371666581. The reversal of 252371666507 is 705666173252.

It is a cyclic number.

It is not a de Polignac number, because 252371666507 - 2⁸ = 252371666251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252371666597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10342373 + ... + 10366745.

It is an arithmetic number, because the mean of its divisors is an integer number (16133638080).

Almost surely, 2^252371666507 is an apocalyptic number.

252371666507 is a deficient number, since it is larger than the sum of its proper divisors (5766542773).

252371666507 is a wasteful number, since it uses less digits than its factorization.

252371666507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 252371666507 in words is "two hundred fifty-two billion, three hundred seventy-one million, six hundred sixty-six thousand, five hundred seven".