5160660666 has 32 divisors (see below), whose sum is σ = 11805360000. Its totient is φ = 1473278976.

The previous prime is 5160660643. The next prime is 5160660679. The reversal of 5160660666 is 6660660615.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 101646.

It is an arithmetic number, because the mean of its divisors is an integer number (368917500).

Almost surely, 2^5160660666 is an apocalyptic number.

5160660666 is an abundant number, since it is smaller than the sum of its proper divisors (6644699334).

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

5160660666 is a wasteful number, since it uses less digits than its factorization.

5160660666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99638.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 5160660666 is about 71837.7384527102. The cubic root of 5160660666 is about 1728.0982662043.

The spelling of 5160660666 in words is "five billion, one hundred sixty million, six hundred sixty thousand, six hundred sixty-six".