166713039 has 16 divisors (see below), whose sum is σ = 257721600. Its totient is φ = 106309368.

The previous prime is 166712981. The next prime is 166713059. The reversal of 166713039 is 930317661.

It is not a de Polignac number, because 166713039 - 2⁷ = 166712911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166712994 and 166713012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166713059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133609 + ... + 134850.

It is an arithmetic number, because the mean of its divisors is an integer number (16107600).

Almost surely, 2^166713039 is an apocalyptic number.

166713039 is a deficient number, since it is larger than the sum of its proper divisors (91008561).

166713039 is a wasteful number, since it uses less digits than its factorization.

166713039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268491 (or 268485 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 166713039 is about 12911.7403551961. The cubic root of 166713039 is about 550.3722427732.

It can be divided in two parts, 1667 and 13039, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 166713039 in words is "one hundred sixty-six million, seven hundred thirteen thousand, thirty-nine".