161601166000150 has 24 divisors (see below), whose sum is σ = 300579551380584. Its totient is φ = 64640169062400.

The previous prime is 161601166000123. The next prime is 161601166000189. The reversal of 161601166000150 is 51000661106161.

It is a super-2 number, since 2×161601166000150² (a number of 29 digits) contains 22 as substring.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 3710545 + ... + 18356755.

It is an arithmetic number, because the mean of its divisors is an integer number (12524147974191).

Almost surely, 2^{161601166000150} is an apocalyptic number.

161601166000150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161601166000150 is a deficient number, since it is larger than the sum of its proper divisors (138978385380434).

161601166000150 is a wasteful number, since it uses less digits than its factorization.

161601166000150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14866896 (or 14866891 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 161601166000150 in words is "one hundred sixty-one trillion, six hundred one billion, one hundred sixty-six million, one hundred fifty", and thus it is an aban number.