16443650364 has 24 divisors (see below), whose sum is σ = 38373162240. Its totient is φ = 5480553264.

The previous prime is 16443650317. The next prime is 16443650381. The reversal of 16443650364 is 46305634461.

16443650364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×16443650364³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26047 + ... + 183209.

It is an arithmetic number, because the mean of its divisors is an integer number (1598881760).

Almost surely, 2^16443650364 is an apocalyptic number.

It is an amenable number.

16443650364 is an abundant number, since it is smaller than the sum of its proper divisors (21929511876).

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

16443650364 is a wasteful number, since it uses less digits than its factorization.

16443650364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165889 (or 165887 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 16443650364 in words is "sixteen billion, four hundred forty-three million, six hundred fifty thousand, three hundred sixty-four".