6564154415 has 48 divisors (see below), whose sum is σ = 9970071552. Its totient is φ = 4111865856.

The previous prime is 6564154403. The next prime is 6564154501. The reversal of 6564154415 is 5144514656.

It is not a de Polignac number, because 6564154415 - 2⁸ = 6564154159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298322 + ... + 319568.

It is an arithmetic number, because the mean of its divisors is an integer number (207709824).

Almost surely, 2^6564154415 is an apocalyptic number.

6564154415 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6564154415 is a deficient number, since it is larger than the sum of its proper divisors (3405917137).

6564154415 is a wasteful number, since it uses less digits than its factorization.

6564154415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376 (or 21369 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 6564154415 is about 81019.4693576797. The cubic root of 6564154415 is about 1872.3754131450.

The spelling of 6564154415 in words is "six billion, five hundred sixty-four million, one hundred fifty-four thousand, four hundred fifteen".