66160506 has 8 divisors (see below), whose sum is σ = 132321024. Its totient is φ = 22053500.

The previous prime is 66160487. The next prime is 66160573. The reversal of 66160506 is 60506166.

It is a sphenic number, since it is the product of 3 distinct primes.

66160506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513370 + ... + 5513381.

It is an arithmetic number, because the mean of its divisors is an integer number (16540128).

Almost surely, 2^66160506 is an apocalyptic number.

66160506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66160506 is a wasteful number, since it uses less digits than its factorization.

66160506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026756.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 66160506 is about 8133.9108674733. The cubic root of 66160506 is about 404.4513344694.

It can be divided in two parts, 66160 and 506, that added together give a palindrome (66666).

The spelling of 66160506 in words is "sixty-six million, one hundred sixty thousand, five hundred six".