16464028686 has 16 divisors (see below), whose sum is σ = 37632065664. Its totient is φ = 4704008184.

The previous prime is 16464028661. The next prime is 16464028781. The reversal of 16464028686 is 68682046461.

It is a congruent number.

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, 196000300 + ... + 196000383.

It is an arithmetic number, because the mean of its divisors is an integer number (2352004104).

Almost surely, 2^16464028686 is an apocalyptic number.

16464028686 is an abundant number, since it is smaller than the sum of its proper divisors (21168036978).

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

16464028686 is a wasteful number, since it uses less digits than its factorization.

16464028686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392000695.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 16464028686 in words is "sixteen billion, four hundred sixty-four million, twenty-eight thousand, six hundred eighty-six".