16225322352261 has 32 divisors (see below), whose sum is σ = 23927255193600. Its totient is φ = 9697407062400.

The previous prime is 16225322352257. The next prime is 16225322352377.

16225322352261 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16225322352261 - 2² = 16225322352257 is a prime.

It is a super-2 number, since 2×16225322352261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225322352961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16131556 + ... + 17107826.

It is an arithmetic number, because the mean of its divisors is an integer number (747726724800).

Almost surely, 2^{16225322352261} is an apocalyptic number.

16225322352261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16225322352261 is a deficient number, since it is larger than the sum of its proper divisors (7701932841339).

16225322352261 is a wasteful number, since it uses less digits than its factorization.

16225322352261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983257.

The product of its digits is 518400, while the sum is 42.

It can be divided in two parts, 1622532 and 2352261, that added together give a palindrome (3974793).

The spelling of 16225322352261 in words is "sixteen trillion, two hundred twenty-five billion, three hundred twenty-two million, three hundred fifty-two thousand, two hundred sixty-one".