16138070923 has 32 divisors (see below), whose sum is σ = 18483978240. Its totient is φ = 13981610880.

The previous prime is 16138070903. The next prime is 16138070939. The reversal of 16138070923 is 32907083161.

It is a cyclic number.

It is not a de Polignac number, because 16138070923 - 2⁵ = 16138070891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16138070903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5172558 + ... + 5175676.

It is an arithmetic number, because the mean of its divisors is an integer number (577624320).

Almost surely, 2^16138070923 is an apocalyptic number.

16138070923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16138070923 is a deficient number, since it is larger than the sum of its proper divisors (2345907317).

16138070923 is a wasteful number, since it uses less digits than its factorization.

16138070923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 16138070923 in words is "sixteen billion, one hundred thirty-eight million, seventy thousand, nine hundred twenty-three".