166315093 has 32 divisors (see below), whose sum is σ = 209387520. Its totient is φ = 128969280.

The previous prime is 166315091. The next prime is 166315103. The reversal of 166315093 is 390513661.

166315093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166315093 - 2¹ = 166315091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166315091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234223 + ... + 234931.

It is an arithmetic number, because the mean of its divisors is an integer number (6543360).

Almost surely, 2^166315093 is an apocalyptic number.

It is an amenable number.

166315093 is a deficient number, since it is larger than the sum of its proper divisors (43072427).

166315093 is a wasteful number, since it uses less digits than its factorization.

166315093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 166315093 is about 12896.3209094687. The cubic root of 166315093 is about 549.9339788521.

The spelling of 166315093 in words is "one hundred sixty-six million, three hundred fifteen thousand, ninety-three".