166536600750 has 512 divisors, whose sum is σ = 532756224000. Its totient is φ = 38155276800.

The previous prime is 166536600707. The next prime is 166536600799. The reversal of 166536600750 is 57006635661.

166536600750 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 36 + 600 + 7 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 166536600696 and 166536600705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 98366904 + ... + 98368596.

It is an arithmetic number, because the mean of its divisors is an integer number (1040539500).

Almost surely, 2^166536600750 is an apocalyptic number.

166536600750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166536600750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266378112000).

166536600750 is an abundant number, since it is smaller than the sum of its proper divisors (366219623250).

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

166536600750 is a wasteful number, since it uses less digits than its factorization.

166536600750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 166536600750 in words is "one hundred sixty-six billion, five hundred thirty-six million, six hundred thousand, seven hundred fifty".