16443416561374 has 16 divisors (see below), whose sum is σ = 27004547588976. Its totient is φ = 7447297291200.

The previous prime is 16443416561371. The next prime is 16443416561419. The reversal of 16443416561374 is 47316561434461.

It is a super-3 number, since 3×16443416561374³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16443416561371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349141967 + ... + 1349154154.

It is an arithmetic number, because the mean of its divisors is an integer number (1687784224311).

Almost surely, 2^{16443416561374} is an apocalyptic number.

16443416561374 is a deficient number, since it is larger than the sum of its proper divisors (10561131027602).

16443416561374 is a wasteful number, since it uses less digits than its factorization.

16443416561374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698296411.

The product of its digits is 17418240, while the sum is 55.

The spelling of 16443416561374 in words is "sixteen trillion, four hundred forty-three billion, four hundred sixteen million, five hundred sixty-one thousand, three hundred seventy-four".