162320465 has 4 divisors (see below), whose sum is σ = 194784564. Its totient is φ = 129856368.

The previous prime is 162320461. The next prime is 162320497. The reversal of 162320465 is 564023261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95277121 + 67043344 = 9761^2 + 8188^2 .

It is a cyclic number.

It is not a de Polignac number, because 162320465 - 2² = 162320461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162320461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16232042 + ... + 16232051.

It is an arithmetic number, because the mean of its divisors is an integer number (48696141).

Almost surely, 2^162320465 is an apocalyptic number.

It is an amenable number.

162320465 is a deficient number, since it is larger than the sum of its proper divisors (32464099).

162320465 is an equidigital number, since it uses as much as digits as its factorization.

162320465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32464098.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 162320465 is about 12740.5048958038. The cubic root of 162320465 is about 545.4954000670.

The spelling of 162320465 in words is "one hundred sixty-two million, three hundred twenty thousand, four hundred sixty-five".