16062639864 has 64 divisors (see below), whose sum is σ = 41235264000. Its totient is φ = 5211022080.

The previous prime is 16062639793. The next prime is 16062639869. The reversal of 16062639864 is 46893626061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16062639869) 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, 392817 + ... + 431775.

It is an arithmetic number, because the mean of its divisors is an integer number (644301000).

Almost surely, 2^16062639864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16062639864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20617632000).

16062639864 is an abundant number, since it is smaller than the sum of its proper divisors (25172624136).

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

16062639864 is a wasteful number, since it uses less digits than its factorization.

16062639864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39428 (or 39424 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 16062639864 in words is "sixteen billion, sixty-two million, six hundred thirty-nine thousand, eight hundred sixty-four".