128646696 has 32 divisors (see below), whose sum is σ = 322279200. Its totient is φ = 42793920.

The previous prime is 128646689. The next prime is 128646709. The reversal of 128646696 is 696646821.

It is a happy 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, 6951 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (10071225).

Almost surely, 2^128646696 is an apocalyptic number.

It is an amenable number.

128646696 is an abundant number, since it is smaller than the sum of its proper divisors (193632504).

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

128646696 is a wasteful number, since it uses less digits than its factorization.

128646696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11049 (or 11045 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 128646696 is about 11342.2526863053. The cubic root of 128646696 is about 504.8157299137.

The spelling of 128646696 in words is "one hundred twenty-eight million, six hundred forty-six thousand, six hundred ninety-six".