662252566 has 16 divisors (see below), whose sum is σ = 1053141120. Its totient is φ = 311783040.

The previous prime is 662252557. The next prime is 662252567. The reversal of 662252566 is 665252266.

662252566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×662252566² = 877156922347168712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662252567) 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, 142051 + ... + 146638.

It is an arithmetic number, because the mean of its divisors is an integer number (65821320).

Almost surely, 2^662252566 is an apocalyptic number.

662252566 is a deficient number, since it is larger than the sum of its proper divisors (390888554).

662252566 is a wasteful number, since it uses less digits than its factorization.

662252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288759.

The product of its digits is 259200, while the sum is 40.

The square root of 662252566 is about 25734.2683206653. The cubic root of 662252566 is about 871.6481576857.

The spelling of 662252566 in words is "six hundred sixty-two million, two hundred fifty-two thousand, five hundred sixty-six".