6615464025 has 48 divisors (see below), whose sum is σ = 11296096448. Its totient is φ = 3413664000.

The previous prime is 6615464017. The next prime is 6615464027. The reversal of 6615464025 is 5204645166.

It is not a de Polignac number, because 6615464025 - 2³ = 6615464017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6615464027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 495690 + ... + 508860.

Almost surely, 2^6615464025 is an apocalyptic number.

It is an amenable number.

6615464025 is a deficient number, since it is larger than the sum of its proper divisors (4680632423).

6615464025 is a wasteful number, since it uses less digits than its factorization.

6615464025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13402 (or 13397 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 6615464025 is about 81335.5028569935. The cubic root of 6615464025 is about 1877.2413161779.

The spelling of 6615464025 in words is "six billion, six hundred fifteen million, four hundred sixty-four thousand, twenty-five".