166368663658830 has 32 divisors (see below), whose sum is σ = 399301430682528. Its totient is φ = 44363128320000.

The previous prime is 166368663658819. The next prime is 166368663658907. The reversal of 166368663658830 is 38856366863661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114808951 + ... + 116249010.

It is an arithmetic number, because the mean of its divisors is an integer number (12478169708829).

Almost surely, 2^{166368663658830} is an apocalyptic number.

166368663658830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166368663658830 is an abundant number, since it is smaller than the sum of its proper divisors (232932767023698).

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

166368663658830 is a wasteful number, since it uses less digits than its factorization.

166368663658830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231081972.

The product of its (nonzero) digits is 3224862720, while the sum is 75.

The spelling of 166368663658830 in words is "one hundred sixty-six trillion, three hundred sixty-eight billion, six hundred sixty-three million, six hundred fifty-eight thousand, eight hundred thirty".