189150846885 has 576 divisors, whose sum is σ = 482405414400. Its totient is φ = 67331174400.

The previous prime is 189150846853. The next prime is 189150846917. The reversal of 189150846885 is 588648051981.

189150846885 is a `hidden beast` number, since 1 + 8 + 9 + 1 + 508 + 46 + 8 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (189150846853) and next prime (189150846917).

It is not a de Polignac number, because 189150846885 - 2⁵ = 189150846853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 2664096400 + ... + 2664096470.

It is an arithmetic number, because the mean of its divisors is an integer number (837509400).

Almost surely, 2^189150846885 is an apocalyptic number.

189150846885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189150846885 is an abundant number, since it is smaller than the sum of its proper divisors (293254567515).

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

189150846885 is a wasteful number, since it uses less digits than its factorization.

189150846885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 63.

The spelling of 189150846885 in words is "one hundred eighty-nine billion, one hundred fifty million, eight hundred forty-six thousand, eight hundred eighty-five".