15668296878480 has 40 divisors (see below), whose sum is σ = 48571720324032. Its totient is φ = 4178212500864.

The previous prime is 15668296878469. The next prime is 15668296878517. The reversal of 15668296878480 is 8487869286651.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×15668296878480² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15668296878396 and 15668296878405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32642284924 + ... + 32642285403.

Almost surely, 2^{15668296878480} is an apocalyptic number.

15668296878480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15668296878480 is an abundant number, since it is smaller than the sum of its proper divisors (32903423445552).

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

15668296878480 is a wasteful number, since it uses less digits than its factorization.

15668296878480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65284570343 (or 65284570337 counting only the distinct ones).

The product of its (nonzero) digits is 2229534720, while the sum is 78.

The spelling of 15668296878480 in words is "fifteen trillion, six hundred sixty-eight billion, two hundred ninety-six million, eight hundred seventy-eight thousand, four hundred eighty".