252142165166 has 12 divisors (see below), whose sum is σ = 383942488608. Its totient is φ = 124189420212.

The previous prime is 252142165147. The next prime is 252142165201. The reversal of 252142165166 is 661561241252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14033246 + ... + 14051201.

It is an arithmetic number, because the mean of its divisors is an integer number (31995207384).

Almost surely, 2^252142165166 is an apocalyptic number.

252142165166 is a deficient number, since it is larger than the sum of its proper divisors (131800323442).

252142165166 is an equidigital number, since it uses as much as digits as its factorization.

252142165166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28084583 (or 28084516 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The spelling of 252142165166 in words is "two hundred fifty-two billion, one hundred forty-two million, one hundred sixty-five thousand, one hundred sixty-six".