15974139769716 has 48 divisors (see below), whose sum is σ = 37572545755136. Its totient is φ = 5281933515264.

The previous prime is 15974139769667. The next prime is 15974139769717. The reversal of 15974139769716 is 61796793147951.

It is a super-3 number, since 3×15974139769716³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15974139769717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8631720 + ... + 10317696.

Almost surely, 2^{15974139769716} is an apocalyptic number.

It is an amenable number.

15974139769716 is an abundant number, since it is smaller than the sum of its proper divisors (21598405985420).

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

15974139769716 is a wasteful number, since it uses less digits than its factorization.

15974139769716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692328 (or 1692326 counting only the distinct ones).

The product of its digits is 540101520, while the sum is 75.

The spelling of 15974139769716 in words is "fifteen trillion, nine hundred seventy-four billion, one hundred thirty-nine million, seven hundred sixty-nine thousand, seven hundred sixteen".