16433140554 has 24 divisors (see below), whose sum is σ = 36208617120. Its totient is φ = 5384870568.

The previous prime is 16433140543. The next prime is 16433140573. The reversal of 16433140554 is 45504133461.

16433140554 is a `hidden beast` number, since 1 + 64 + 3 + 3 + 1 + 40 + 554 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7735822 + ... + 7737945.

It is an arithmetic number, because the mean of its divisors is an integer number (1508692380).

Almost surely, 2^16433140554 is an apocalyptic number.

16433140554 is an abundant number, since it is smaller than the sum of its proper divisors (19775476566).

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

16433140554 is a wasteful number, since it uses less digits than its factorization.

16433140554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473834 (or 15473831 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 16433140554 in words is "sixteen billion, four hundred thirty-three million, one hundred forty thousand, five hundred fifty-four".