166072100005154 has 8 divisors (see below), whose sum is σ = 284695028580288. Its totient is φ = 71173757145060.

The previous prime is 166072100005153. The next prime is 166072100005157. The reversal of 166072100005154 is 451500001270661.

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 5931146428742 + ... + 5931146428769.

It is an arithmetic number, because the mean of its divisors is an integer number (35586878572536).

Almost surely, 2^{166072100005154} is an apocalyptic number.

166072100005154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166072100005154 is a deficient number, since it is larger than the sum of its proper divisors (118622928575134).

166072100005154 is a wasteful number, since it uses less digits than its factorization.

166072100005154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11862292857520.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 166072100005154 in words is "one hundred sixty-six trillion, seventy-two billion, one hundred million, five thousand, one hundred fifty-four".