161369376 has 96 divisors (see below), whose sum is σ = 486097920. Its totient is φ = 45916416.

The previous prime is 161369333. The next prime is 161369381. The reversal of 161369376 is 673963161.

161369376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294735 + ... + 295281.

It is an arithmetic number, because the mean of its divisors is an integer number (5063520).

Almost surely, 2^161369376 is an apocalyptic number.

161369376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161369376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243048960).

161369376 is an abundant number, since it is smaller than the sum of its proper divisors (324728544).

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

161369376 is a wasteful number, since it uses less digits than its factorization.

161369376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 998 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 161369376 is about 12703.1246549815. The cubic root of 161369376 is about 544.4279000696.

The spelling of 161369376 in words is "one hundred sixty-one million, three hundred sixty-nine thousand, three hundred seventy-six".