166975482090 has 32 divisors (see below), whose sum is σ = 401104555776. Its totient is φ = 44486417600.

The previous prime is 166975482071. The next prime is 166975482101. The reversal of 166975482090 is 90284579661.

It is a self number, because there is not a number n which added to its sum of digits gives 166975482090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489961 + ... + 2556140.

It is an arithmetic number, because the mean of its divisors is an integer number (12534517368).

Almost surely, 2^166975482090 is an apocalyptic number.

166975482090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166975482090 is an abundant number, since it is smaller than the sum of its proper divisors (234129073686).

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

166975482090 is a wasteful number, since it uses less digits than its factorization.

166975482090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047214.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 166975482090 in words is "one hundred sixty-six billion, nine hundred seventy-five million, four hundred eighty-two thousand, ninety".