16644530350 has 24 divisors (see below), whose sum is σ = 35381516688. Its totient is φ = 5706696000.

The previous prime is 16644530341. The next prime is 16644530363. The reversal of 16644530350 is 5303544661.

It is a super-2 number, since 2×16644530350² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23777551 + ... + 23778250.

It is an arithmetic number, because the mean of its divisors is an integer number (1474229862).

Almost surely, 2^16644530350 is an apocalyptic number.

16644530350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16644530350 is an abundant number, since it is smaller than the sum of its proper divisors (18736986338).

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

16644530350 is a wasteful number, since it uses less digits than its factorization.

16644530350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47555820 (or 47555815 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 16644530350 in words is "sixteen billion, six hundred forty-four million, five hundred thirty thousand, three hundred fifty".