162538465 has 16 divisors (see below), whose sum is σ = 198844416. Its totient is φ = 127512000.

The previous prime is 162538427. The next prime is 162538469. The reversal of 162538465 is 564835261.

It is not a de Polignac number, because 162538465 - 2¹⁵ = 162505697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162538469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140640 + ... + 141790.

It is an arithmetic number, because the mean of its divisors is an integer number (12427776).

Almost surely, 2^162538465 is an apocalyptic number.

It is an amenable number.

162538465 is a deficient number, since it is larger than the sum of its proper divisors (36305951).

162538465 is a wasteful number, since it uses less digits than its factorization.

162538465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 172800, while the sum is 40.

The square root of 162538465 is about 12749.0574161387. The cubic root of 162538465 is about 545.7394949822.

The spelling of 162538465 in words is "one hundred sixty-two million, five hundred thirty-eight thousand, four hundred sixty-five".