16158378685996 has 12 divisors (see below), whose sum is σ = 28281278184880. Its totient is φ = 8078013490320.

The previous prime is 16158378685993. The next prime is 16158378686017. The reversal of 16158378685996 is 69958687385161.

It is a super-2 number, since 2×16158378685996² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (82) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16158378685993) 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, 293932251 + ... + 293987218.

Almost surely, 2^{16158378685996} is an apocalyptic number.

It is an amenable number.

16158378685996 is a deficient number, since it is larger than the sum of its proper divisors (12122899498884).

16158378685996 is a wasteful number, since it uses less digits than its factorization.

16158378685996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587926344 (or 587926342 counting only the distinct ones).

The product of its digits is 4702924800, while the sum is 82.

The spelling of 16158378685996 in words is "sixteen trillion, one hundred fifty-eight billion, three hundred seventy-eight million, six hundred eighty-five thousand, nine hundred ninety-six".