2153524664 has 8 divisors (see below), whose sum is σ = 4037858760. Its totient is φ = 1076762328.

The previous prime is 2153524651. The next prime is 2153524757. The reversal of 2153524664 is 4664253512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134595284 + ... + 134595299.

It is an arithmetic number, because the mean of its divisors is an integer number (504732345).

Almost surely, 2^2153524664 is an apocalyptic number.

It is an amenable number.

2153524664 is a deficient number, since it is larger than the sum of its proper divisors (1884334096).

2153524664 is a wasteful number, since it uses less digits than its factorization.

2153524664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269190589 (or 269190585 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 2153524664 is about 46406.0843424653. The cubic root of 2153524664 is about 1291.3677906469.

The spelling of 2153524664 in words is "two billion, one hundred fifty-three million, five hundred twenty-four thousand, six hundred sixty-four".