166290539301 has 12 divisors (see below), whose sum is σ = 249093647712. Its totient is φ = 110860359372.

The previous prime is 166290539299. The next prime is 166290539323. The reversal of 166290539301 is 103935092661.

166290539301 is a `hidden beast` number, since 1 + 6 + 6 + 290 + 53 + 9 + 301 = 666.

It is not a de Polignac number, because 166290539301 - 2¹ = 166290539299 is a prime.

It is a super-2 number, since 2×166290539301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166290539351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342161361 + ... + 342161846.

It is an arithmetic number, because the mean of its divisors is an integer number (20757803976).

Almost surely, 2^166290539301 is an apocalyptic number.

It is an amenable number.

166290539301 is a deficient number, since it is larger than the sum of its proper divisors (82803108411).

166290539301 is an frugal number, since it uses more digits than its factorization.

166290539301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684323222 (or 684323210 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 166290539301 in words is "one hundred sixty-six billion, two hundred ninety million, five hundred thirty-nine thousand, three hundred one".