166215008960 has 1008 divisors, whose sum is σ = 570647706048. Its totient is φ = 45586759680.

The previous prime is 166215008923. The next prime is 166215008987. The reversal of 166215008960 is 69800512661.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 567286574 + ... + 567286866.

It is an arithmetic number, because the mean of its divisors is an integer number (566118756).

Almost surely, 2^166215008960 is an apocalyptic number.

166215008960 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 166215008960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285323853024).

166215008960 is an abundant number, since it is smaller than the sum of its proper divisors (404432697088).

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

166215008960 is a wasteful number, since it uses less digits than its factorization.

166215008960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 166215008960 in words is "one hundred sixty-six billion, two hundred fifteen million, eight thousand, nine hundred sixty".