252167658 has 16 divisors (see below), whose sum is σ = 530879520. Its totient is φ = 79631856.

The previous prime is 252167627. The next prime is 252167659. The reversal of 252167658 is 856761252.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252167659) 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, 1105885 + ... + 1106112.

It is an arithmetic number, because the mean of its divisors is an integer number (33179970).

Almost surely, 2^252167658 is an apocalyptic number.

252167658 is an abundant number, since it is smaller than the sum of its proper divisors (278711862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252167658 is a wasteful number, since it uses less digits than its factorization.

252167658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212021.

The product of its digits is 201600, while the sum is 42.

The square root of 252167658 is about 15879.7877189842. The cubic root of 252167658 is about 631.7760065186.

It can be divided in two parts, 252 and 167658, that added together give a triangular number (167910 = T₅₇₉).

The spelling of 252167658 in words is "two hundred fifty-two million, one hundred sixty-seven thousand, six hundred fifty-eight".