166294013 has 8 divisors (see below), whose sum is σ = 171816960. Its totient is φ = 160781040.

The previous prime is 166294003. The next prime is 166294031. The reversal of 166294013 is 310492661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166294013 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 (166294003) 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, 47828 + ... + 51186.

It is an arithmetic number, because the mean of its divisors is an integer number (21477120).

Almost surely, 2^166294013 is an apocalyptic number.

It is an amenable number.

166294013 is a deficient number, since it is larger than the sum of its proper divisors (5522947).

166294013 is a wasteful number, since it uses less digits than its factorization.

166294013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 166294013 is about 12895.5035962152. The cubic root of 166294013 is about 549.9107436426.

The spelling of 166294013 in words is "one hundred sixty-six million, two hundred ninety-four thousand, thirteen".