162276880 has 20 divisors (see below), whose sum is σ = 377293932. Its totient is φ = 64910720.

The previous prime is 162276871. The next prime is 162276889. The reversal of 162276880 is 88672261.

It is an interprime number because it is at equal distance from previous prime (162276871) and next prime (162276889).

It can be written as a sum of positive squares in 2 ways, for example, as 63552784 + 98724096 = 7972^2 + 9936^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (162276889) 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, 1014151 + ... + 1014310.

Almost surely, 2^162276880 is an apocalyptic number.

162276880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162276880 is an abundant number, since it is smaller than the sum of its proper divisors (215017052).

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

162276880 is a wasteful number, since it uses less digits than its factorization.

162276880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028474 (or 2028468 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 162276880 is about 12738.7942914547. The cubic root of 162276880 is about 545.4465716679.

The spelling of 162276880 in words is "one hundred sixty-two million, two hundred seventy-six thousand, eight hundred eighty".