166148131 has 8 divisors (see below), whose sum is σ = 169127424. Its totient is φ = 163195200.

The previous prime is 166148117. The next prime is 166148153. The reversal of 166148131 is 131841661.

166148131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166148131 - 2²³ = 157759523 is a prime.

It is a super-2 number, since 2×166148131² = 55210402869586322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166148093 and 166148102.

It is not an unprimeable number, because it can be changed into a prime (166148161) 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, 6351 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (21140928).

Almost surely, 2^166148131 is an apocalyptic number.

166148131 is a deficient number, since it is larger than the sum of its proper divisors (2979293).

166148131 is a wasteful number, since it uses less digits than its factorization.

166148131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13181.

The product of its digits is 3456, while the sum is 31.

The square root of 166148131 is about 12889.8460425251. The cubic root of 166148131 is about 549.7498928951.

Adding to 166148131 its reverse (131841661), we get a palindrome (297989792).

The spelling of 166148131 in words is "one hundred sixty-six million, one hundred forty-eight thousand, one hundred thirty-one".