16425660634 has 16 divisors (see below), whose sum is σ = 25740877248. Its totient is φ = 7846233472.

The previous prime is 16425660631. The next prime is 16425660673. The reversal of 16425660634 is 43606652461.

It is not an unprimeable number, because it can be changed into a prime (16425660631) 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, 177847 + ... + 253930.

It is an arithmetic number, because the mean of its divisors is an integer number (1608804828).

Almost surely, 2^16425660634 is an apocalyptic number.

16425660634 is a deficient number, since it is larger than the sum of its proper divisors (9315216614).

16425660634 is a wasteful number, since it uses less digits than its factorization.

16425660634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432629.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 16425660634 in words is "sixteen billion, four hundred twenty-five million, six hundred sixty thousand, six hundred thirty-four".