166465355 has 16 divisors (see below), whose sum is σ = 228658944. Its totient is φ = 113965920.

The previous prime is 166465349. The next prime is 166465361. The reversal of 166465355 is 553564661.

It is an interprime number because it is at equal distance from previous prime (166465349) and next prime (166465361).

It is not a de Polignac number, because 166465355 - 2¹² = 166461259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20744 + ... + 27626.

It is an arithmetic number, because the mean of its divisors is an integer number (14291184).

Almost surely, 2^166465355 is an apocalyptic number.

166465355 is a deficient number, since it is larger than the sum of its proper divisors (62193589).

166465355 is an equidigital number, since it uses as much as digits as its factorization.

166465355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586.

The product of its digits is 324000, while the sum is 41.

The square root of 166465355 is about 12902.1453642408. The cubic root of 166465355 is about 550.0995467198.

The spelling of 166465355 in words is "one hundred sixty-six million, four hundred sixty-five thousand, three hundred fifty-five".