16454456650 has 24 divisors (see below), whose sum is σ = 30634562700. Its totient is φ = 6575487360.

The previous prime is 16454456633. The next prime is 16454456659. The reversal of 16454456650 is 5665445461.

It can be written as a sum of positive squares in 6 ways, for example, as 11156218129 + 5298238521 = 105623^2 + 72789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16454456650.

It is not an unprimeable number, because it can be changed into a prime (16454456659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104409 + ... + 209308.

Almost surely, 2^16454456650 is an apocalyptic number.

16454456650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16454456650 is a deficient number, since it is larger than the sum of its proper divisors (14180106050).

16454456650 is a wasteful number, since it uses less digits than its factorization.

16454456650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314778 (or 314773 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 16454456650 in words is "sixteen billion, four hundred fifty-four million, four hundred fifty-six thousand, six hundred fifty".