20160149999 has 4 divisors (see below), whose sum is σ = 21992890920. Its totient is φ = 18327409080.

The previous prime is 20160149993. The next prime is 20160150001. The reversal of 20160149999 is 99994106102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20160149999 - 2³² = 15865182703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160149993) 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, 916370444 + ... + 916370465.

It is an arithmetic number, because the mean of its divisors is an integer number (5498222730).

Almost surely, 2^20160149999 is an apocalyptic number.

20160149999 is a deficient number, since it is larger than the sum of its proper divisors (1832740921).

20160149999 is a wasteful number, since it uses less digits than its factorization.

20160149999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832740920.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 20160149999 in words is "twenty billion, one hundred sixty million, one hundred forty-nine thousand, nine hundred ninety-nine".