6616860474 has 16 divisors (see below), whose sum is σ = 15124252608. Its totient is φ = 1890531552.

The previous prime is 6616860469. The next prime is 6616860493. The reversal of 6616860474 is 4740686166.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78772107 + ... + 78772190.

It is an arithmetic number, because the mean of its divisors is an integer number (945265788).

Almost surely, 2^6616860474 is an apocalyptic number.

6616860474 is an abundant number, since it is smaller than the sum of its proper divisors (8507392134).

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

6616860474 is a wasteful number, since it uses less digits than its factorization.

6616860474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157544309.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 6616860474 is about 81344.0869024910. The cubic root of 6616860474 is about 1877.3733949616.

The spelling of 6616860474 in words is "six billion, six hundred sixteen million, eight hundred sixty thousand, four hundred seventy-four".