166050331 has 2 divisors, whose sum is σ = 166050332. Its totient is φ = 166050330.

The previous prime is 166050307. The next prime is 166050349. The reversal of 166050331 is 133050661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166050331 - 2⁵ = 166050299 is a prime.

It is a super-2 number, since 2×166050331² = 55145424850419122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166050296 and 166050305.

It is not a weakly prime, because it can be changed into another prime (166050301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83025165 + 83025166.

It is an arithmetic number, because the mean of its divisors is an integer number (83025166).

Almost surely, 2^166050331 is an apocalyptic number.

166050331 is a deficient number, since it is larger than the sum of its proper divisors (1).

166050331 is an equidigital number, since it uses as much as digits as its factorization.

166050331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 166050331 is about 12886.0518002994. The cubic root of 166050331 is about 549.6420050482.

The spelling of 166050331 in words is "one hundred sixty-six million, fifty thousand, three hundred thirty-one".