16435778042 has 16 divisors (see below), whose sum is σ = 24699064320. Its totient is φ = 8202771312.

The previous prime is 16435778027. The next prime is 16435778077. The reversal of 16435778042 is 24087753461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3862388 + ... + 3866640.

It is an arithmetic number, because the mean of its divisors is an integer number (1543691520).

Almost surely, 2^16435778042 is an apocalyptic number.

16435778042 is a deficient number, since it is larger than the sum of its proper divisors (8263286278).

16435778042 is a wasteful number, since it uses less digits than its factorization.

16435778042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 16435778042 in words is "sixteen billion, four hundred thirty-five million, seven hundred seventy-eight thousand, forty-two".