166736163100 has 144 divisors (see below), whose sum is σ = 397360192320. Its totient is φ = 60357888000.

The previous prime is 166736163071. The next prime is 166736163169. The reversal of 166736163100 is 1361637661.

It is a super-2 number, since 2×166736163100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13517736 + ... + 13530064.

It is an arithmetic number, because the mean of its divisors is an integer number (2759445780).

Almost surely, 2^166736163100 is an apocalyptic number.

166736163100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166736163100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198680096160).

166736163100 is an abundant number, since it is smaller than the sum of its proper divisors (230624029220).

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

166736163100 is a wasteful number, since it uses less digits than its factorization.

166736163100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 166736163100 in words is "one hundred sixty-six billion, seven hundred thirty-six million, one hundred sixty-three thousand, one hundred".