187428617160 has 32 divisors (see below), whose sum is σ = 562285851840. Its totient is φ = 49980964544.

The previous prime is 187428617147. The next prime is 187428617161. The reversal of 187428617160 is 61716824781.

It is not an unprimeable number, because it can be changed into a prime (187428617161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780952452 + ... + 780952691.

It is an arithmetic number, because the mean of its divisors is an integer number (17571432870).

Almost surely, 2^187428617160 is an apocalyptic number.

187428617160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187428617160 is an abundant number, since it is smaller than the sum of its proper divisors (374857234680).

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

187428617160 is a wasteful number, since it uses less digits than its factorization.

187428617160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561905157 (or 1561905153 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 187428617160 in words is "one hundred eighty-seven billion, four hundred twenty-eight million, six hundred seventeen thousand, one hundred sixty".