16263604465 has 8 divisors (see below), whose sum is σ = 19560784320. Its totient is φ = 12981244272.

The previous prime is 16263604457. The next prime is 16263604501. The reversal of 16263604465 is 56440636261.

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

It is a cyclic number.

It is not a de Polignac number, because 16263604465 - 2³ = 16263604457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3702499 + ... + 3706888.

It is an arithmetic number, because the mean of its divisors is an integer number (2445098040).

Almost surely, 2^16263604465 is an apocalyptic number.

It is an amenable number.

16263604465 is a deficient number, since it is larger than the sum of its proper divisors (3297179855).

16263604465 is an equidigital number, since it uses as much as digits as its factorization.

16263604465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409831.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 16263604465 in words is "sixteen billion, two hundred sixty-three million, six hundred four thousand, four hundred sixty-five".