13966511916 has 96 divisors (see below), whose sum is σ = 38131752960. Its totient is φ = 3895746624.

The previous prime is 13966511903. The next prime is 13966511921. The reversal of 13966511916 is 61911566931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649991 + ... + 1658433.

It is an arithmetic number, because the mean of its divisors is an integer number (397205760).

Almost surely, 2^13966511916 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 13966511916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19065876480).

13966511916 is an abundant number, since it is smaller than the sum of its proper divisors (24165241044).

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

13966511916 is a wasteful number, since it uses less digits than its factorization.

13966511916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923 (or 8921 counting only the distinct ones).

The product of its digits is 262440, while the sum is 48.

The spelling of 13966511916 in words is "thirteen billion, nine hundred sixty-six million, five hundred eleven thousand, nine hundred sixteen".