166600054726340 has 48 divisors (see below), whose sum is σ = 355695379628400. Its totient is φ = 65537399308800.

The previous prime is 166600054726331. The next prime is 166600054726363. The reversal of 166600054726340 is 43627450006661.

It can be written as a sum of positive squares in 8 ways, for example, as 6934995699844 + 159665059026496 = 2633438^2 + 12635864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276461687 + ... + 277063646.

It is an arithmetic number, because the mean of its divisors is an integer number (7410320408925).

Almost surely, 2^{166600054726340} is an apocalyptic number.

166600054726340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166600054726340 is an abundant number, since it is smaller than the sum of its proper divisors (189095324902060).

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

166600054726340 is a wasteful number, since it uses less digits than its factorization.

166600054726340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553525592 (or 553525590 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 166600054726340 in words is "one hundred sixty-six trillion, six hundred billion, fifty-four million, seven hundred twenty-six thousand, three hundred forty".