166954680036 has 96 divisors (see below), whose sum is σ = 451781406720. Its totient is φ = 53218189728.

The previous prime is 166954680029. The next prime is 166954680043. The reversal of 166954680036 is 630086459661.

166954680036 is a `hidden beast` number, since 1 + 6 + 69 + 546 + 8 + 0 + 0 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (166954680029) and next prime (166954680043).

It is a super-2 number, since 2×166954680036² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14508261 + ... + 14519763.

It is an arithmetic number, because the mean of its divisors is an integer number (4706056320).

Almost surely, 2^166954680036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166954680036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225890703360).

166954680036 is an abundant number, since it is smaller than the sum of its proper divisors (284826726684).

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

166954680036 is a wasteful number, since it uses less digits than its factorization.

166954680036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17382 (or 17374 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 166954680036 in words is "one hundred sixty-six billion, nine hundred fifty-four million, six hundred eighty thousand, thirty-six".