189033656 has 16 divisors (see below), whose sum is σ = 405072240. Its totient is φ = 81014400.

The previous prime is 189033613. The next prime is 189033667. The reversal of 189033656 is 656330981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687745 + ... + 1687856.

It is an arithmetic number, because the mean of its divisors is an integer number (25317015).

Almost surely, 2^189033656 is an apocalyptic number.

It is an amenable number.

189033656 is an abundant number, since it is smaller than the sum of its proper divisors (216038584).

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

189033656 is a wasteful number, since it uses less digits than its factorization.

189033656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375614 (or 3375610 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 189033656 is about 13748.9510872648. The cubic root of 189033656 is about 573.9134171548.

The spelling of 189033656 in words is "one hundred eighty-nine million, thirty-three thousand, six hundred fifty-six".