187130571264 has 240 divisors, whose sum is σ = 664704872832. Its totient is φ = 49353007104.

The previous prime is 187130571253. The next prime is 187130571359. The reversal of 187130571264 is 462175031781.

187130571264 is a `hidden beast` number, since 1 + 8 + 7 + 13 + 0 + 571 + 2 + 64 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196197 + ... + 642459.

Almost surely, 2^187130571264 is an apocalyptic number.

187130571264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187130571264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332352436416).

187130571264 is an abundant number, since it is smaller than the sum of its proper divisors (477574301568).

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

187130571264 is a wasteful number, since it uses less digits than its factorization.

187130571264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446307 (or 446288 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 187130571264 in words is "one hundred eighty-seven billion, one hundred thirty million, five hundred seventy-one thousand, two hundred sixty-four".