16138383496 has 32 divisors (see below), whose sum is σ = 31675553280. Its totient is φ = 7698902400.

The previous prime is 16138383487. The next prime is 16138383497. The reversal of 16138383496 is 69438383161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16138383497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440661 + ... + 475876.

It is an arithmetic number, because the mean of its divisors is an integer number (989861040).

Almost surely, 2^16138383496 is an apocalyptic number.

It is an amenable number.

16138383496 is a deficient number, since it is larger than the sum of its proper divisors (15537169784).

16138383496 is a wasteful number, since it uses less digits than its factorization.

16138383496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916645 (or 916641 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The spelling of 16138383496 in words is "sixteen billion, one hundred thirty-eight million, three hundred eighty-three thousand, four hundred ninety-six".