162865272 has 16 divisors (see below), whose sum is σ = 407163240. Its totient is φ = 54288416.

The previous prime is 162865271. The next prime is 162865273. The reversal of 162865272 is 272568261.

It is an interprime number because it is at equal distance from previous prime (162865271) and next prime (162865273).

It is a self number, because there is not a number n which added to its sum of digits gives 162865272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162865271) 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, 3393003 + ... + 3393050.

Almost surely, 2^162865272 is an apocalyptic number.

162865272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162865272 is an abundant number, since it is smaller than the sum of its proper divisors (244297968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162865272 is a wasteful number, since it uses less digits than its factorization.

162865272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786062 (or 6786058 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 162865272 is about 12761.8678883618. The cubic root of 162865272 is about 546.1050127417.

The spelling of 162865272 in words is "one hundred sixty-two million, eight hundred sixty-five thousand, two hundred seventy-two".