320162161421646 has 48 divisors (see below), whose sum is σ = 715716079631280. Its totient is φ = 103368727290240.

The previous prime is 320162161421593. The next prime is 320162161421651. The reversal of 320162161421646 is 646124161261023.

320162161421646 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 6 + 2 + 1 + 614 + 21 + 6 + 4 + 6 = 666.

It is a super-3 number, since 3×320162161421646³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560415645 + ... + 1560620808.

It is an arithmetic number, because the mean of its divisors is an integer number (14910751658985).

Almost surely, 2^{320162161421646} is an apocalyptic number.

320162161421646 is an abundant number, since it is smaller than the sum of its proper divisors (395553918209634).

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

320162161421646 is a wasteful number, since it uses less digits than its factorization.

320162161421646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121036641 (or 3121036638 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 320162161421646 in words is "three hundred twenty trillion, one hundred sixty-two billion, one hundred sixty-one million, four hundred twenty-one thousand, six hundred forty-six".