16054400043 has 16 divisors (see below), whose sum is σ = 25946505600. Its totient is φ = 9729939240.

The previous prime is 16054400027. The next prime is 16054400057. The reversal of 16054400043 is 34000445061.

It is not a de Polignac number, because 16054400043 - 2⁴ = 16054400027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16054440043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27027313 + ... + 27027906.

It is an arithmetic number, because the mean of its divisors is an integer number (1621656600).

Almost surely, 2^16054400043 is an apocalyptic number.

16054400043 is a deficient number, since it is larger than the sum of its proper divisors (9892105557).

16054400043 is a wasteful number, since it uses less digits than its factorization.

16054400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54055239 (or 54055233 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 16054400043 in words is "sixteen billion, fifty-four million, four hundred thousand, forty-three".