16450345465 has 8 divisors (see below), whose sum is σ = 19760220360. Its totient is φ = 13147072512.

The previous prime is 16450345441. The next prime is 16450345469. The reversal of 16450345465 is 56454305461.

It can be written as a sum of positive squares in 4 ways, for example, as 3145415056 + 13304930409 = 56084^2 + 115347^2 .

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 16450345465 - 2²³ = 16441956857 is a prime.

It is a super-2 number, since 2×16450345465² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16450345469) 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, 1645000 + ... + 1654969.

It is an arithmetic number, because the mean of its divisors is an integer number (2470027545).

Almost surely, 2^16450345465 is an apocalyptic number.

It is an amenable number.

16450345465 is a deficient number, since it is larger than the sum of its proper divisors (3309874895).

16450345465 is an equidigital number, since it uses as much as digits as its factorization.

16450345465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300971.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 16450345465 in words is "sixteen billion, four hundred fifty million, three hundred forty-five thousand, four hundred sixty-five".