16149041992 has 16 divisors (see below), whose sum is σ = 30281237100. Its totient is φ = 8074045440.

The previous prime is 16149041983. The next prime is 16149042053. The reversal of 16149041992 is 29914094161.

It can be written as a sum of positive squares in 2 ways, for example, as 13676366916 + 2472675076 = 116946^2 + 49726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114984 + ... + 213352.

Almost surely, 2^16149041992 is an apocalyptic number.

It is an amenable number.

16149041992 is a deficient number, since it is larger than the sum of its proper divisors (14132195108).

16149041992 is a wasteful number, since it uses less digits than its factorization.

16149041992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118896 (or 118892 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 16149041992 in words is "sixteen billion, one hundred forty-nine million, forty-one thousand, nine hundred ninety-two".