166410604537632 has 672 divisors, whose sum is σ = 610795336136832. Its totient is φ = 43435998461952.

The previous prime is 166410604537613. The next prime is 166410604537649. The reversal of 166410604537632 is 236735406014661.

166410604537632 is a `hidden beast` number, since 1 + 6 + 6 + 4 + 10 + 60 + 4 + 537 + 6 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 205512183 + ... + 206320329.

It is an arithmetic number, because the mean of its divisors is an integer number (908921631156).

Almost surely, 2^{166410604537632} is an apocalyptic number.

166410604537632 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 166410604537632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305397668068416).

166410604537632 is an abundant number, since it is smaller than the sum of its proper divisors (444384731599200).

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

166410604537632 is an equidigital number, since it uses as much as digits as its factorization.

166410604537632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808292 (or 808269 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 166410604537632 in words is "one hundred sixty-six trillion, four hundred ten billion, six hundred four million, five hundred thirty-seven thousand, six hundred thirty-two".