166913798 has 8 divisors (see below), whose sum is σ = 250762008. Its totient is φ = 83326464.

The previous prime is 166913797. The next prime is 166913833. The reversal of 166913798 is 897319661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166913797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63611 + ... + 66182.

It is an arithmetic number, because the mean of its divisors is an integer number (31345251).

Almost surely, 2^166913798 is an apocalyptic number.

166913798 is a deficient number, since it is larger than the sum of its proper divisors (83848210).

166913798 is a wasteful number, since it uses less digits than its factorization.

166913798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130438.

The product of its digits is 489888, while the sum is 50.

The square root of 166913798 is about 12919.5122972967. The cubic root of 166913798 is about 550.5930770466.

The spelling of 166913798 in words is "one hundred sixty-six million, nine hundred thirteen thousand, seven hundred ninety-eight".