2153256662 has 16 divisors (see below), whose sum is σ = 3491769840. Its totient is φ = 992396448.

The previous prime is 2153256659. The next prime is 2153256671. The reversal of 2153256662 is 2666523512.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 764333 + ... + 767144.

It is an arithmetic number, because the mean of its divisors is an integer number (218235615).

Almost surely, 2^2153256662 is an apocalyptic number.

2153256662 is a deficient number, since it is larger than the sum of its proper divisors (1338513178).

2153256662 is a wasteful number, since it uses less digits than its factorization.

2153256662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531535.

The product of its digits is 129600, while the sum is 38.

The square root of 2153256662 is about 46403.1966786772. The cubic root of 2153256662 is about 1291.3142190125.

The spelling of 2153256662 in words is "two billion, one hundred fifty-three million, two hundred fifty-six thousand, six hundred sixty-two".