13916494007520 has 384 divisors, whose sum is σ = 50047081749504. Its totient is φ = 3220155039744.

The previous prime is 13916494007519. The next prime is 13916494007593. The reversal of 13916494007520 is 2570049461931.

It is a happy number.

It is a super-2 number, since 2×13916494007520² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87224139 + ... + 87383541.

It is an arithmetic number, because the mean of its divisors is an integer number (130330942056).

Almost surely, 2^{13916494007520} is an apocalyptic number.

13916494007520 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 13916494007520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25023540874752).

13916494007520 is an abundant number, since it is smaller than the sum of its proper divisors (36130587741984).

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

13916494007520 is a wasteful number, since it uses less digits than its factorization.

13916494007520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160274 (or 160266 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 13916494007520 in words is "thirteen trillion, nine hundred sixteen billion, four hundred ninety-four million, seven thousand, five hundred twenty".