166044131 has 8 divisors (see below), whose sum is σ = 182089728. Its totient is φ = 150157000.

The previous prime is 166044119. The next prime is 166044133. The reversal of 166044131 is 131440661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166044131 is a prime.

It is a super-2 number, since 2×166044131² = 55141306879090322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166044131.

It is not an unprimeable number, because it can be changed into a prime (166044133) 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, 37415 + ... + 41616.

It is an arithmetic number, because the mean of its divisors is an integer number (22761216).

Almost surely, 2^166044131 is an apocalyptic number.

166044131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

166044131 is a deficient number, since it is larger than the sum of its proper divisors (16045597).

166044131 is a wasteful number, since it uses less digits than its factorization.

166044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79233.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 166044131 is about 12885.8112278583. The cubic root of 166044131 is about 549.6351641046.

Adding to 166044131 its reverse (131440661), we get a palindrome (297484792).

The spelling of 166044131 in words is "one hundred sixty-six million, forty-four thousand, one hundred thirty-one".