16456434032 has 20 divisors (see below), whose sum is σ = 31886868336. Its totient is φ = 8227564800.

The previous prime is 16456433963. The next prime is 16456434133. The reversal of 16456434032 is 23043465461.

It is a congruent number.

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, 216653 + ... + 282579.

Almost surely, 2^16456434032 is an apocalyptic number.

It is an amenable number.

16456434032 is a deficient number, since it is larger than the sum of its proper divisors (15430434304).

16456434032 is a wasteful number, since it uses less digits than its factorization.

16456434032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81536 (or 81530 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 16456434032 its reverse (23043465461), we get a palindrome (39499899493).

The spelling of 16456434032 in words is "sixteen billion, four hundred fifty-six million, four hundred thirty-four thousand, thirty-two".