16118707969 has 32 divisors (see below), whose sum is σ = 20962529280. Its totient is φ = 12035760192.

The previous prime is 16118707961. The next prime is 16118708003. The reversal of 16118707969 is 96970781161.

It is a cyclic number.

It is not a de Polignac number, because 16118707969 - 2³ = 16118707961 is a prime.

It is a super-2 number, since 2×16118707969² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16118707961) 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 31 ways as a sum of consecutive naturals, for example, 437004 + ... + 472450.

It is an arithmetic number, because the mean of its divisors is an integer number (655079040).

Almost surely, 2^16118707969 is an apocalyptic number.

16118707969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16118707969 is a deficient number, since it is larger than the sum of its proper divisors (4843821311).

16118707969 is a wasteful number, since it uses less digits than its factorization.

16118707969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35749.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 16118707969 in words is "sixteen billion, one hundred eighteen million, seven hundred seven thousand, nine hundred sixty-nine".