161363260 has 12 divisors (see below), whose sum is σ = 338862888. Its totient is φ = 64545296.

The previous prime is 161363233. The next prime is 161363287. The reversal of 161363260 is 62363161.

It is an interprime number because it is at equal distance from previous prime (161363233) and next prime (161363287).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034062 + ... + 4034101.

It is an arithmetic number, because the mean of its divisors is an integer number (28238574).

Almost surely, 2^161363260 is an apocalyptic number.

161363260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161363260 is an abundant number, since it is smaller than the sum of its proper divisors (177499628).

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

161363260 is a wasteful number, since it uses less digits than its factorization.

161363260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068172 (or 8068170 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 161363260 is about 12702.8839245267. The cubic root of 161363260 is about 544.4210219303.

Subtracting from 161363260 its reverse (62363161), we obtain a palindrome (99000099).

The spelling of 161363260 in words is "one hundred sixty-one million, three hundred sixty-three thousand, two hundred sixty".