160666391065938 has 16 divisors (see below), whose sum is σ = 330017451919680. Its totient is φ = 52108018724016.

The previous prime is 160666391065927. The next prime is 160666391065979. The reversal of 160666391065938 is 839560193666061.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 361861240918 + ... + 361861241361.

It is an arithmetic number, because the mean of its divisors is an integer number (20626090744980).

Almost surely, 2^{160666391065938} is an apocalyptic number.

160666391065938 is an abundant number, since it is smaller than the sum of its proper divisors (169351060853742).

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

160666391065938 is a wasteful number, since it uses less digits than its factorization.

160666391065938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723722482321.

The product of its (nonzero) digits is 226748160, while the sum is 69.

The spelling of 160666391065938 in words is "one hundred sixty trillion, six hundred sixty-six billion, three hundred ninety-one million, sixty-five thousand, nine hundred thirty-eight".