16452523615 has 8 divisors (see below), whose sum is σ = 21537849168. Its totient is φ = 11965471680.

The previous prime is 16452523613. The next prime is 16452523631. The reversal of 16452523615 is 51632525461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16452523615 - 2¹ = 16452523613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16452523613) 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, 149568342 + ... + 149568451.

It is an arithmetic number, because the mean of its divisors is an integer number (2692231146).

Almost surely, 2^16452523615 is an apocalyptic number.

16452523615 is a deficient number, since it is larger than the sum of its proper divisors (5085325553).

16452523615 is a wasteful number, since it uses less digits than its factorization.

16452523615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299136809.

The product of its digits is 216000, while the sum is 40.

The spelling of 16452523615 in words is "sixteen billion, four hundred fifty-two million, five hundred twenty-three thousand, six hundred fifteen".