252167566 has 16 divisors (see below), whose sum is σ = 442341504. Its totient is φ = 105558264.

The previous prime is 252167537. The next prime is 252167567. The reversal of 252167566 is 665761252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252167567) 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, 208840 + ... + 210043.

It is an arithmetic number, because the mean of its divisors is an integer number (27646344).

Almost surely, 2^252167566 is an apocalyptic number.

252167566 is a deficient number, since it is larger than the sum of its proper divisors (190173938).

252167566 is a wasteful number, since it uses less digits than its factorization.

252167566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418935.

The product of its digits is 151200, while the sum is 40.

The square root of 252167566 is about 15879.7848222197. The cubic root of 252167566 is about 631.7759296869.

The spelling of 252167566 in words is "two hundred fifty-two million, one hundred sixty-seven thousand, five hundred sixty-six".