166827131 has 8 divisors (see below), whose sum is σ = 169818000. Its totient is φ = 163844640.

The previous prime is 166827127. The next prime is 166827139. The reversal of 166827131 is 131728661.

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

It is a cyclic number.

It is not a de Polignac number, because 166827131 - 2² = 166827127 is a prime.

It is a super-2 number, since 2×166827131² = 55662583275382322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166827091 and 166827100.

It is not an unprimeable number, because it can be changed into a prime (166827139) 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, 48920 + ... + 52218.

It is an arithmetic number, because the mean of its divisors is an integer number (21227250).

Almost surely, 2^166827131 is an apocalyptic number.

166827131 is a deficient number, since it is larger than the sum of its proper divisors (2990869).

166827131 is an equidigital number, since it uses as much as digits as its factorization.

166827131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its digits is 12096, while the sum is 35.

The square root of 166827131 is about 12916.1577491141. The cubic root of 166827131 is about 550.4977653505.

The spelling of 166827131 in words is "one hundred sixty-six million, eight hundred twenty-seven thousand, one hundred thirty-one".