166087046832 has 360 divisors, whose sum is σ = 519735739248. Its totient is φ = 45567083520.

The previous prime is 166087046771. The next prime is 166087046843. The reversal of 166087046832 is 238640780661.

It is a super-2 number, since 2×166087046832² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 445273398 + ... + 445273770.

Almost surely, 2^166087046832 is an apocalyptic number.

166087046832 is a gapful number since it is divisible by the number (12) 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 166087046832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259867869624).

166087046832 is an abundant number, since it is smaller than the sum of its proper divisors (353648692416).

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

166087046832 is a wasteful number, since it uses less digits than its factorization.

166087046832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 166087046832 in words is "one hundred sixty-six billion, eighty-seven million, forty-six thousand, eight hundred thirty-two".