16149818907 has 16 divisors (see below), whose sum is σ = 23988142080. Its totient is φ = 10738427976.

The previous prime is 16149818887. The next prime is 16149818929. The reversal of 16149818907 is 70981894161.

16149818907 is a `hidden beast` number, since 1 + 61 + 498 + 1 + 8 + 90 + 7 = 666.

It is not a de Polignac number, because 16149818907 - 2¹⁰ = 16149817883 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16149818947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770523 + ... + 791204.

It is an arithmetic number, because the mean of its divisors is an integer number (1499258880).

Almost surely, 2^16149818907 is an apocalyptic number.

16149818907 is a deficient number, since it is larger than the sum of its proper divisors (7838323173).

16149818907 is a wasteful number, since it uses less digits than its factorization.

16149818907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562119 (or 1562113 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 16149818907 in words is "sixteen billion, one hundred forty-nine million, eight hundred eighteen thousand, nine hundred seven".