166113406 has 12 divisors (see below), whose sum is σ = 260476272. Its totient is φ = 79445036.

The previous prime is 166113401. The next prime is 166113413. The reversal of 166113406 is 604311661.

166113406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166113401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77446 + ... + 79561.

It is an arithmetic number, because the mean of its divisors is an integer number (21706356).

Almost surely, 2^166113406 is an apocalyptic number.

166113406 is a deficient number, since it is larger than the sum of its proper divisors (94362866).

166113406 is a wasteful number, since it uses less digits than its factorization.

166113406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157055 (or 157032 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 166113406 is about 12888.4989816503. The cubic root of 166113406 is about 549.7115909392.

The spelling of 166113406 in words is "one hundred sixty-six million, one hundred thirteen thousand, four hundred six".