16450957536 has 144 divisors (see below), whose sum is σ = 46939447296. Its totient is φ = 5042539008.

The previous prime is 16450957507. The next prime is 16450957553. The reversal of 16450957536 is 63575905461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4589601 + ... + 4593183.

It is an arithmetic number, because the mean of its divisors is an integer number (325968384).

Almost surely, 2^16450957536 is an apocalyptic number.

16450957536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16450957536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23469723648).

16450957536 is an abundant number, since it is smaller than the sum of its proper divisors (30488489760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16450957536 is a wasteful number, since it uses less digits than its factorization.

16450957536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 16450957536 in words is "sixteen billion, four hundred fifty million, nine hundred fifty-seven thousand, five hundred thirty-six".