16005358139812 has 12 divisors (see below), whose sum is σ = 28009839316480. Its totient is φ = 8002546906536.

The previous prime is 16005358139767. The next prime is 16005358139833. The reversal of 16005358139812 is 21893185350061.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16005358139812.

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, 32768112 + ... + 33252967.

Almost surely, 2^{16005358139812} is an apocalyptic number.

It is an amenable number.

16005358139812 is a deficient number, since it is larger than the sum of its proper divisors (12004481176668).

16005358139812 is a wasteful number, since it uses less digits than its factorization.

16005358139812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66081690 (or 66081688 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 16005358139812 in words is "sixteen trillion, five billion, three hundred fifty-eight million, one hundred thirty-nine thousand, eight hundred twelve".