6564154554 has 12 divisors (see below), whose sum is σ = 14222334906. Its totient is φ = 2188051512.

The previous prime is 6564154549. The next prime is 6564154579. The reversal of 6564154554 is 4554514656.

6564154554 is a `hidden beast` number, since 6 + 5 + 6 + 41 + 54 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6194477025 + 369677529 = 78705^2 + 19227^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182337609 + ... + 182337644.

Almost surely, 2^6564154554 is an apocalyptic number.

6564154554 is an abundant number, since it is smaller than the sum of its proper divisors (7658180352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6564154554 is a wasteful number, since it uses less digits than its factorization.

6564154554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364675261 (or 364675258 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 6564154554 is about 81019.4702154982. The cubic root of 6564154554 is about 1872.3754263612.

It can be divided in two parts, 656415 and 4554, that added together give a square (660969 = 813²).

The spelling of 6564154554 in words is "six billion, five hundred sixty-four million, one hundred fifty-four thousand, five hundred fifty-four".