16645140350 has 12 divisors (see below), whose sum is σ = 30959961144. Its totient is φ = 6658056120.

The previous prime is 16645140349. The next prime is 16645140431. The reversal of 16645140350 is 5304154661.

It is a self number, because there is not a number n which added to its sum of digits gives 16645140350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166451354 + ... + 166451453.

It is an arithmetic number, because the mean of its divisors is an integer number (2579996762).

Almost surely, 2^16645140350 is an apocalyptic number.

16645140350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16645140350 is a deficient number, since it is larger than the sum of its proper divisors (14314820794).

16645140350 is a wasteful number, since it uses less digits than its factorization.

16645140350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332902819 (or 332902814 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 16645140350 in words is "sixteen billion, six hundred forty-five million, one hundred forty thousand, three hundred fifty".