13416640776 has 192 divisors, whose sum is σ = 45367620480. Its totient is φ = 3479869440.

The previous prime is 13416640751. The next prime is 13416640789. The reversal of 13416640776 is 67704661431.

13416640776 is a `hidden beast` number, since 13 + 4 + 166 + 407 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5415250 + ... + 5417726.

It is an arithmetic number, because the mean of its divisors is an integer number (236289690).

Almost surely, 2^13416640776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13416640776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22683810240).

13416640776 is an abundant number, since it is smaller than the sum of its proper divisors (31950979704).

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

13416640776 is a wasteful number, since it uses less digits than its factorization.

13416640776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 13416640776 in words is "thirteen billion, four hundred sixteen million, six hundred forty thousand, seven hundred seventy-six".