166037760 has 432 divisors, whose sum is σ = 688746240. Its totient is φ = 36126720.

The previous prime is 166037743. The next prime is 166037771. The reversal of 166037760 is 67730661.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2338525 + ... + 2338595.

It is an arithmetic number, because the mean of its divisors is an integer number (1594320).

Almost surely, 2^166037760 is an apocalyptic number.

166037760 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 166037760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344373120).

166037760 is an abundant number, since it is smaller than the sum of its proper divisors (522708480).

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

166037760 is a wasteful number, since it uses less digits than its factorization.

166037760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 166037760 is about 12885.5640155951. The cubic root of 166037760 is about 549.6281343060.

The spelling of 166037760 in words is "one hundred sixty-six million, thirty-seven thousand, seven hundred sixty".