15926734478468 has 12 divisors (see below), whose sum is σ = 30405584004432. Its totient is φ = 7239424762920.

The previous prime is 15926734478449. The next prime is 15926734478471. The reversal of 15926734478468 is 86487443762951.

It is a super-2 number, since 2×15926734478468² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15926734478395 and 15926734478404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180985619030 + ... + 180985619117.

It is an arithmetic number, because the mean of its divisors is an integer number (2533798667036).

Almost surely, 2^{15926734478468} is an apocalyptic number.

It is an amenable number.

15926734478468 is a deficient number, since it is larger than the sum of its proper divisors (14478849525964).

15926734478468 is a wasteful number, since it uses less digits than its factorization.

15926734478468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361971238162 (or 361971238160 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 74.

The spelling of 15926734478468 in words is "fifteen trillion, nine hundred twenty-six billion, seven hundred thirty-four million, four hundred seventy-eight thousand, four hundred sixty-eight".