160661566066 has 8 divisors (see below), whose sum is σ = 241013196720. Its totient is φ = 80323833828.

The previous prime is 160661566033. The next prime is 160661566067. The reversal of 160661566066 is 660665166061.

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

It is not an unprimeable number, because it can be changed into a prime (160661566067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445656 + ... + 3491971.

It is an arithmetic number, because the mean of its divisors is an integer number (30126649590).

Almost surely, 2^160661566066 is an apocalyptic number.

160661566066 is a deficient number, since it is larger than the sum of its proper divisors (80351630654).

160661566066 is a wasteful number, since it uses less digits than its factorization.

160661566066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949208.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 160661566066 in words is "one hundred sixty billion, six hundred sixty-one million, five hundred sixty-six thousand, sixty-six".