16156234099 has 4 divisors (see below), whose sum is σ = 16299209736. Its totient is φ = 16013258464.

The previous prime is 16156234027. The next prime is 16156234123. The reversal of 16156234099 is 99043265161.

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 16156234099 - 2⁷ = 16156233971 is a prime.

It is a super-2 number, since 2×16156234099² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16156234799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71487649 + ... + 71487874.

It is an arithmetic number, because the mean of its divisors is an integer number (4074802434).

Almost surely, 2^16156234099 is an apocalyptic number.

16156234099 is a deficient number, since it is larger than the sum of its proper divisors (142975637).

16156234099 is a wasteful number, since it uses less digits than its factorization.

16156234099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142975636.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 16156234099 in words is "sixteen billion, one hundred fifty-six million, two hundred thirty-four thousand, ninety-nine".