166525341696 has 728 divisors, whose sum is σ = 591312090624. Its totient is φ = 45864714240.

The previous prime is 166525341667. The next prime is 166525341733. The reversal of 166525341696 is 696143525661.

166525341696 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 2 + 534 + 16 + 96 = 666.

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

Its product of digits (6998400) is a multiple of the sum of its prime divisors (300).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 647958400 + ... + 647958656.

Almost surely, 2^166525341696 is an apocalyptic number.

166525341696 is a gapful number since it is divisible by the number (16) 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 166525341696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295656045312).

166525341696 is an abundant number, since it is smaller than the sum of its proper divisors (424786748928).

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

166525341696 is an frugal number, since it uses more digits than its factorization.

166525341696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 300 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 166525341696 in words is "one hundred sixty-six billion, five hundred twenty-five million, three hundred forty-one thousand, six hundred ninety-six".