16012193215536 has 160 divisors (see below), whose sum is σ = 55291338508800. Its totient is φ = 4334127471360.

The previous prime is 16012193215523. The next prime is 16012193215559. The reversal of 16012193215536 is 63551239121061.

16012193215536 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 2 + 1 + 93 + 2 + 1 + 553 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16012193215491 and 16012193215500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139285635 + ... + 139400546.

It is an arithmetic number, because the mean of its divisors is an integer number (345570865680).

Almost surely, 2^{16012193215536} is an apocalyptic number.

16012193215536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16012193215536 is an abundant number, since it is smaller than the sum of its proper divisors (39279145293264).

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

16012193215536 is a wasteful number, since it uses less digits than its factorization.

16012193215536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278686224 (or 278686212 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 16012193215536 in words is "sixteen trillion, twelve billion, one hundred ninety-three million, two hundred fifteen thousand, five hundred thirty-six".