15966197883484 has 12 divisors (see below), whose sum is σ = 27940874794000. Its totient is φ = 7983090799488.

The previous prime is 15966197883469. The next prime is 15966197883487. The reversal of 15966197883484 is 48438879166951.

15966197883484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15966197883484² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15966197883487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370217 + ... + 7795615.

Almost surely, 2^{15966197883484} is an apocalyptic number.

It is an amenable number.

15966197883484 is a deficient number, since it is larger than the sum of its proper divisors (11974676910516).

15966197883484 is a wasteful number, since it uses less digits than its factorization.

15966197883484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071132 (or 4071130 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 79.

The spelling of 15966197883484 in words is "fifteen trillion, nine hundred sixty-six billion, one hundred ninety-seven million, eight hundred eighty-three thousand, four hundred eighty-four".