166744090910 has 16 divisors (see below), whose sum is σ = 300156884496. Its totient is φ = 66693742848.

The previous prime is 166744090859. The next prime is 166744090937. The reversal of 166744090910 is 19090447661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303539 + ... + 652398.

It is an arithmetic number, because the mean of its divisors is an integer number (18759805281).

Almost surely, 2^166744090910 is an apocalyptic number.

166744090910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166744090910 is a deficient number, since it is larger than the sum of its proper divisors (133412793586).

166744090910 is a wasteful number, since it uses less digits than its factorization.

166744090910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973387.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 166744090910 in words is "one hundred sixty-six billion, seven hundred forty-four million, ninety thousand, nine hundred ten".