166752051 has 8 divisors (see below), whose sum is σ = 222418944. Its totient is φ = 111126600.

The previous prime is 166752049. The next prime is 166752067. The reversal of 166752051 is 150257661.

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

It is not a de Polignac number, because 166752051 - 2¹ = 166752049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166752011) 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, 726 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (27802368).

Almost surely, 2^166752051 is an apocalyptic number.

166752051 is a deficient number, since it is larger than the sum of its proper divisors (55666893).

166752051 is a wasteful number, since it uses less digits than its factorization.

166752051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 166752051 is about 12913.2509849379. The cubic root of 166752051 is about 550.4151697242.

The spelling of 166752051 in words is "one hundred sixty-six million, seven hundred fifty-two thousand, fifty-one".