166000995 has 20 divisors (see below), whose sum is σ = 297572880. Its totient is φ = 88533648.

The previous prime is 166000987. The next prime is 166001021. The reversal of 166000995 is 599000661.

It is not a de Polignac number, because 166000995 - 2³ = 166000987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204535 + ... + 205344.

It is an arithmetic number, because the mean of its divisors is an integer number (14878644).

Almost surely, 2^166000995 is an apocalyptic number.

166000995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166000995 is a deficient number, since it is larger than the sum of its proper divisors (131571885).

166000995 is an equidigital number, since it uses as much as digits as its factorization.

166000995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409896 (or 409887 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 166000995 is about 12884.1373401559. The cubic root of 166000995 is about 549.5875640767.

The spelling of 166000995 in words is "one hundred sixty-six million, nine hundred ninety-five", and thus it is an aban number.