16064435641 has 8 divisors (see below), whose sum is σ = 16514889984. Its totient is φ = 15618508800.

The previous prime is 16064435591. The next prime is 16064435657. The reversal of 16064435641 is 14653446061.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16064435641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16064435594 and 16064435603.

It is not an unprimeable number, because it can be changed into a prime (16064435671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124680 + ... + 1138873.

It is an arithmetic number, because the mean of its divisors is an integer number (2064361248).

Almost surely, 2^16064435641 is an apocalyptic number.

It is an amenable number.

16064435641 is a deficient number, since it is larger than the sum of its proper divisors (450454343).

16064435641 is a wasteful number, since it uses less digits than its factorization.

16064435641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263751.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 16064435641 in words is "sixteen billion, sixty-four million, four hundred thirty-five thousand, six hundred forty-one".