16443794376 has 48 divisors (see below), whose sum is σ = 44605978560. Its totient is φ = 5472563040.

The previous prime is 16443794371. The next prime is 16443794399. The reversal of 16443794376 is 67349734461.

16443794376 is a `hidden beast` number, since 164 + 4 + 379 + 43 + 76 = 666.

It is a super-3 number, since 3×16443794376³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16443794371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135540 + ... + 226403.

It is an arithmetic number, because the mean of its divisors is an integer number (929291220).

Almost surely, 2^16443794376 is an apocalyptic number.

It is an amenable number.

16443794376 is an abundant number, since it is smaller than the sum of its proper divisors (28162184184).

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

16443794376 is a wasteful number, since it uses less digits than its factorization.

16443794376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362586 (or 362579 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 16443794376 in words is "sixteen billion, four hundred forty-three million, seven hundred ninety-four thousand, three hundred seventy-six".