13916963520 has 168 divisors, whose sum is σ = 47952727056. Its totient is φ = 3704666112.

The previous prime is 13916963519. The next prime is 13916963527. The reversal of 13916963520 is 2536961931.

13916963520 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 6 + 9 + 635 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13916963527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1761499 + ... + 1769381.

Almost surely, 2^13916963520 is an apocalyptic number.

13916963520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13916963520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23976363528).

13916963520 is an abundant number, since it is smaller than the sum of its proper divisors (34035763536).

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

13916963520 is a wasteful number, since it uses less digits than its factorization.

13916963520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 13916963520 in words is "thirteen billion, nine hundred sixteen million, nine hundred sixty-three thousand, five hundred twenty".