6616504254 has 32 divisors (see below), whose sum is σ = 14535118080. Its totient is φ = 1998577152.

The previous prime is 6616504249. The next prime is 6616504267. The reversal of 6616504254 is 4524056166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259107 + ... + 1264350.

It is an arithmetic number, because the mean of its divisors is an integer number (454222440).

Almost surely, 2^6616504254 is an apocalyptic number.

6616504254 is an abundant number, since it is smaller than the sum of its proper divisors (7918613826).

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

6616504254 is a wasteful number, since it uses less digits than its factorization.

6616504254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523504.

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

The square root of 6616504254 is about 81341.8972854703. The cubic root of 6616504254 is about 1877.3397047669.

The spelling of 6616504254 in words is "six billion, six hundred sixteen million, five hundred four thousand, two hundred fifty-four".