16452645360215 has 4 divisors (see below), whose sum is σ = 19743174432264. Its totient is φ = 13162116288168.

The previous prime is 16452645360181. The next prime is 16452645360259. The reversal of 16452645360215 is 51206354625461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16452645360215 - 2²² = 16452641165911 is a prime.

It is a Duffinian number.

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, 1645264536017 + ... + 1645264536026.

It is an arithmetic number, because the mean of its divisors is an integer number (4935793608066).

Almost surely, 2^{16452645360215} is an apocalyptic number.

16452645360215 is a deficient number, since it is larger than the sum of its proper divisors (3290529072049).

16452645360215 is an equidigital number, since it uses as much as digits as its factorization.

16452645360215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290529072048.

The product of its (nonzero) digits is 5184000, while the sum is 50.

Adding to 16452645360215 its reverse (51206354625461), we get a palindrome (67658999985676).

The spelling of 16452645360215 in words is "sixteen trillion, four hundred fifty-two billion, six hundred forty-five million, three hundred sixty thousand, two hundred fifteen".