189316457850 has 48 divisors (see below), whose sum is σ = 505620575712. Its totient is φ = 46600973760.

The previous prime is 189316457849. The next prime is 189316457899. The reversal of 189316457850 is 58754613981.

189316457850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48540732 + ... + 48544631.

It is an arithmetic number, because the mean of its divisors is an integer number (10533761994).

Almost surely, 2^189316457850 is an apocalyptic number.

189316457850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189316457850 is an abundant number, since it is smaller than the sum of its proper divisors (316304117862).

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

189316457850 is a wasteful number, since it uses less digits than its factorization.

189316457850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97085391 (or 97085386 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 189316457850 in words is "one hundred eighty-nine billion, three hundred sixteen million, four hundred fifty-seven thousand, eight hundred fifty".