16449023152 has 40 divisors (see below), whose sum is σ = 32579629056. Its totient is φ = 8041717056.

The previous prime is 16449023147. The next prime is 16449023153. The reversal of 16449023152 is 25132094461.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16449023153) 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, 807363 + ... + 827485.

Almost surely, 2^16449023152 is an apocalyptic number.

It is an amenable number.

16449023152 is a deficient number, since it is larger than the sum of its proper divisors (16130605904).

16449023152 is a wasteful number, since it uses less digits than its factorization.

16449023152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265 (or 21259 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16449023152 in words is "sixteen billion, four hundred forty-nine million, twenty-three thousand, one hundred fifty-two".