166118926080 has 288 divisors, whose sum is σ = 544893640704. Its totient is φ = 43113627648.

The previous prime is 166118926079. The next prime is 166118926091. The reversal of 166118926080 is 80629811661.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 25843827 + ... + 25850253.

It is an arithmetic number, because the mean of its divisors is an integer number (1891991808).

Almost surely, 2^166118926080 is an apocalyptic number.

166118926080 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 166118926080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272446820352).

166118926080 is an abundant number, since it is smaller than the sum of its proper divisors (378774714624).

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

166118926080 is a wasteful number, since it uses less digits than its factorization.

166118926080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 166118926080 in words is "one hundred sixty-six billion, one hundred eighteen million, nine hundred twenty-six thousand, eighty".