166052001 has 8 divisors (see below), whose sum is σ = 233055520. Its totient is φ = 104874912.

The previous prime is 166051997. The next prime is 166052071. The reversal of 166052001 is 100250661.

It is a happy number.

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

It is not a de Polignac number, because 166052001 - 2² = 166051997 is a prime.

It is a super-2 number, since 2×166052001² = 55146534072208002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166052071) 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, 1456540 + ... + 1456653.

It is an arithmetic number, because the mean of its divisors is an integer number (29131940).

Almost surely, 2^166052001 is an apocalyptic number.

It is an amenable number.

166052001 is a deficient number, since it is larger than the sum of its proper divisors (67003519).

166052001 is a wasteful number, since it uses less digits than its factorization.

166052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913215.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 166052001 is about 12886.1165988827. The cubic root of 166052001 is about 549.6438476604.

The spelling of 166052001 in words is "one hundred sixty-six million, fifty-two thousand, one".