166013705 has 16 divisors (see below), whose sum is σ = 234045504. Its totient is φ = 111449280.

The previous prime is 166013699. The next prime is 166013717. The reversal of 166013705 is 507310661.

It is a de Polignac number, because none of the positive numbers 2^k-166013705 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115379 + ... + 116808.

It is an arithmetic number, because the mean of its divisors is an integer number (14627844).

Almost surely, 2^166013705 is an apocalyptic number.

It is an amenable number.

166013705 is a deficient number, since it is larger than the sum of its proper divisors (68031799).

166013705 is a wasteful number, since it uses less digits than its factorization.

166013705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232216.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 166013705 is about 12884.6305728958. The cubic root of 166013705 is about 549.6015902570.

The spelling of 166013705 in words is "one hundred sixty-six million, thirteen thousand, seven hundred five".