166713201 has 16 divisors (see below), whose sum is σ = 259982400. Its totient is φ = 105292224.

The previous prime is 166713181. The next prime is 166713233. The reversal of 166713201 is 102317661.

It is not a de Polignac number, because 166713201 - 2¹⁵ = 166680433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (166713241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161976 + ... + 163001.

It is an arithmetic number, because the mean of its divisors is an integer number (16248900).

Almost surely, 2^166713201 is an apocalyptic number.

It is an amenable number.

166713201 is a deficient number, since it is larger than the sum of its proper divisors (93269199).

166713201 is a wasteful number, since it uses less digits than its factorization.

166713201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325005 (or 324999 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 166713201 is about 12911.7466285549. The cubic root of 166713201 is about 550.3724210442.

The spelling of 166713201 in words is "one hundred sixty-six million, seven hundred thirteen thousand, two hundred one".