166072100005150 has 12 divisors (see below), whose sum is σ = 308894106009672. Its totient is φ = 66428840002040.

The previous prime is 166072100005111. The next prime is 166072100005151. The reversal of 166072100005150 is 51500001270661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166072100005151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1660721000002 + ... + 1660721000101.

It is an arithmetic number, because the mean of its divisors is an integer number (25741175500806).

Almost surely, 2^{166072100005150} is an apocalyptic number.

166072100005150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166072100005150 is a deficient number, since it is larger than the sum of its proper divisors (142822006004522).

166072100005150 is a wasteful number, since it uses less digits than its factorization.

166072100005150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321442000115 (or 3321442000110 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 166072100005150 in words is "one hundred sixty-six trillion, seventy-two billion, one hundred million, five thousand, one hundred fifty".