128056366 has 16 divisors (see below), whose sum is σ = 198223200. Its totient is φ = 62005120.

The previous prime is 128056351. The next prime is 128056399. The reversal of 128056366 is 663650821.

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, 5535 + ... + 16933.

It is an arithmetic number, because the mean of its divisors is an integer number (12388950).

Almost surely, 2^128056366 is an apocalyptic number.

128056366 is a deficient number, since it is larger than the sum of its proper divisors (70166834).

128056366 is a wasteful number, since it uses less digits than its factorization.

128056366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 128056366 is about 11316.1992736077. The cubic root of 128056366 is about 504.0423848414.

The spelling of 128056366 in words is "one hundred twenty-eight million, fifty-six thousand, three hundred sixty-six".