168366465 has 48 divisors (see below), whose sum is σ = 307964160. Its totient is φ = 87272640.

The previous prime is 168366461. The next prime is 168366529. The reversal of 168366465 is 564663861.

It is not a de Polignac number, because 168366465 - 2² = 168366461 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 168366465.

It is not an unprimeable number, because it can be changed into a prime (168366461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184360 + ... + 185270.

It is an arithmetic number, because the mean of its divisors is an integer number (6415920).

Almost surely, 2^168366465 is an apocalyptic number.

168366465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168366465 is a deficient number, since it is larger than the sum of its proper divisors (139597695).

168366465 is an equidigital number, since it uses as much as digits as its factorization.

168366465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 956 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 168366465 is about 12975.6103902668. The cubic root of 168366465 is about 552.1857538837.

The spelling of 168366465 in words is "one hundred sixty-eight million, three hundred sixty-six thousand, four hundred sixty-five".