166179552000 has 576 divisors, whose sum is σ = 688195243008. Its totient is φ = 34529280000.

The previous prime is 166179551983. The next prime is 166179552017. The reversal of 166179552000 is 255971661.

It is an interprime number because it is at equal distance from previous prime (166179551983) and next prime (166179552017).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7380760 + ... + 7403240.

It is an arithmetic number, because the mean of its divisors is an integer number (1194783408).

Almost surely, 2^166179552000 is an apocalyptic number.

166179552000 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 166179552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344097621504).

166179552000 is an abundant number, since it is smaller than the sum of its proper divisors (522015691008).

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

166179552000 is a wasteful number, since it uses less digits than its factorization.

166179552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22533 (or 22509 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 166179552000 in words is "one hundred sixty-six billion, one hundred seventy-nine million, five hundred fifty-two thousand".