662153434 has 16 divisors (see below), whose sum is σ = 1052184168. Its totient is φ = 311444992.

The previous prime is 662153423. The next prime is 662153441. The reversal of 662153434 is 434351266.

It can be written as a sum of positive squares in 4 ways, for example, as 622652209 + 39501225 = 24953^2 + 6285^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 662153434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90912 + ... + 97924.

Almost surely, 2^662153434 is an apocalyptic number.

662153434 is a deficient number, since it is larger than the sum of its proper divisors (390030734).

662153434 is a wasteful number, since it uses less digits than its factorization.

662153434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9809.

The product of its digits is 51840, while the sum is 34.

The square root of 662153434 is about 25732.3421786669. The cubic root of 662153434 is about 871.6046634352.

The spelling of 662153434 in words is "six hundred sixty-two million, one hundred fifty-three thousand, four hundred thirty-four".