128025816 has 16 divisors (see below), whose sum is σ = 320064600. Its totient is φ = 42675264.

The previous prime is 128025787. The next prime is 128025853. The reversal of 128025816 is 618520821.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667181 + ... + 2667228.

Almost surely, 2^128025816 is an apocalyptic number.

It is an amenable number.

128025816 is an abundant number, since it is smaller than the sum of its proper divisors (192038784).

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

128025816 is a wasteful number, since it uses less digits than its factorization.

128025816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334418 (or 5334414 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 128025816 is about 11314.8493582548. The cubic root of 128025816 is about 504.0022990573.

The spelling of 128025816 in words is "one hundred twenty-eight million, twenty-five thousand, eight hundred sixteen".