6166886616 has 64 divisors (see below), whose sum is σ = 18687542400. Its totient is φ = 1868752800.

The previous prime is 6166886597. The next prime is 6166886623.

6166886616 is a `hidden beast` number, since 6 + 16 + 6 + 8 + 8 + 6 + 616 = 666.

6166886616 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 1295370 + ... + 1300121.

It is an arithmetic number, because the mean of its divisors is an integer number (291992850).

Almost surely, 2^6166886616 is an apocalyptic number.

6166886616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6166886616 is an abundant number, since it is smaller than the sum of its proper divisors (12520655784).

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

6166886616 is a wasteful number, since it uses less digits than its factorization.

6166886616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595517 (or 2595507 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 6166886616 is about 78529.5270328301. The cubic root of 6166886616 is about 1833.8141571976.

The spelling of 6166886616 in words is "six billion, one hundred sixty-six million, eight hundred eighty-six thousand, six hundred sixteen".