128616374 has 16 divisors (see below), whose sum is σ = 196671888. Its totient is φ = 63071232.

The previous prime is 128616359. The next prime is 128616419. The reversal of 128616374 is 473616821.

It is a Curzon number.

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, 18989 + ... + 24855.

It is an arithmetic number, because the mean of its divisors is an integer number (12291993).

Almost surely, 2^128616374 is an apocalyptic number.

128616374 is a deficient number, since it is larger than the sum of its proper divisors (68055514).

128616374 is a wasteful number, since it uses less digits than its factorization.

128616374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079.

The product of its digits is 48384, while the sum is 38.

The square root of 128616374 is about 11340.9159242100. The cubic root of 128616374 is about 504.7760651424.

The spelling of 128616374 in words is "one hundred twenty-eight million, six hundred sixteen thousand, three hundred seventy-four".