161066055016 has 32 divisors (see below), whose sum is σ = 307008967680. Its totient is φ = 79207560000.

The previous prime is 161066055001. The next prime is 161066055019. The reversal of 161066055016 is 610550660161.

It is not an unprimeable number, because it can be changed into a prime (161066055019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538056 + ... + 782071.

It is an arithmetic number, because the mean of its divisors is an integer number (9594030240).

Almost surely, 2^161066055016 is an apocalyptic number.

It is an amenable number.

161066055016 is a deficient number, since it is larger than the sum of its proper divisors (145942912664).

161066055016 is a wasteful number, since it uses less digits than its factorization.

161066055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320385 (or 1320381 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 161066055016 in words is "one hundred sixty-one billion, sixty-six million, fifty-five thousand, sixteen".