16042904065 has 8 divisors (see below), whose sum is σ = 19495175040. Its totient is φ = 12671863152.

The previous prime is 16042903999. The next prime is 16042904071. The reversal of 16042904065 is 56040924061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16042904065 - 2²³ = 16034515457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20307079 + ... + 20307868.

It is an arithmetic number, because the mean of its divisors is an integer number (2436896880).

Almost surely, 2^16042904065 is an apocalyptic number.

It is an amenable number.

16042904065 is a deficient number, since it is larger than the sum of its proper divisors (3452270975).

16042904065 is an equidigital number, since it uses as much as digits as its factorization.

16042904065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40615031.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16042904065 in words is "sixteen billion, forty-two million, nine hundred four thousand, sixty-five".