13261942016 has 36 divisors (see below), whose sum is σ = 26590902912. Its totient is φ = 6601207296.

The previous prime is 13261942007. The next prime is 13261942033. The reversal of 13261942016 is 61024916231.

It is a super-2 number, since 2×13261942016² (a number of 21 digits) contains 22 as substring.

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, 59066 + ... + 173241.

It is an arithmetic number, because the mean of its divisors is an integer number (738636192).

Almost surely, 2^13261942016 is an apocalyptic number.

13261942016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13261942016 is an abundant number, since it is smaller than the sum of its proper divisors (13328960896).

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

13261942016 is an equidigital number, since it uses as much as digits as its factorization.

13261942016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232546 (or 232532 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 13261942016 in words is "thirteen billion, two hundred sixty-one million, nine hundred forty-two thousand, sixteen".