189701656 has 16 divisors (see below), whose sum is σ = 361000440. Its totient is φ = 93434880.

The previous prime is 189701653. The next prime is 189701663. The reversal of 189701656 is 656107981.

It is a happy number.

189701656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189701651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176425 + ... + 177496.

Almost surely, 2^189701656 is an apocalyptic number.

It is an amenable number.

189701656 is a deficient number, since it is larger than the sum of its proper divisors (171298784).

189701656 is a wasteful number, since it uses less digits than its factorization.

189701656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353994 (or 353990 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 189701656 is about 13773.2224261427. Note that the first 3 decimals coincide. The cubic root of 189701656 is about 574.5886469364.

The spelling of 189701656 in words is "one hundred eighty-nine million, seven hundred one thousand, six hundred fifty-six".