166031079 has 8 divisors (see below), whose sum is σ = 222003312. Its totient is φ = 110373120.

The previous prime is 166031053. The next prime is 166031083. The reversal of 166031079 is 970130661.

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

It is not a de Polignac number, because 166031079 - 2¹⁵ = 165998311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166031039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77332 + ... + 79449.

It is an arithmetic number, because the mean of its divisors is an integer number (27750414).

Almost surely, 2^166031079 is an apocalyptic number.

166031079 is a deficient number, since it is larger than the sum of its proper divisors (55972233).

166031079 is a wasteful number, since it uses less digits than its factorization.

166031079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157137.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 166031079 is about 12885.3047693875. The cubic root of 166031079 is about 549.6207622584.

The spelling of 166031079 in words is "one hundred sixty-six million, thirty-one thousand, seventy-nine".