16261365126 has 32 divisors (see below), whose sum is σ = 33355111680. Its totient is φ = 5282301024.

The previous prime is 16261365121. The next prime is 16261365163. The reversal of 16261365126 is 62156316261.

It is a super-2 number, since 2×16261365126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16261365121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41476 + ... + 185048.

It is an arithmetic number, because the mean of its divisors is an integer number (1042347240).

Almost surely, 2^16261365126 is an apocalyptic number.

16261365126 is an abundant number, since it is smaller than the sum of its proper divisors (17093746554).

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

16261365126 is a wasteful number, since it uses less digits than its factorization.

16261365126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144060.

The product of its digits is 77760, while the sum is 39.

The spelling of 16261365126 in words is "sixteen billion, two hundred sixty-one million, three hundred sixty-five thousand, one hundred twenty-six".