187163816210680 has 96 divisors (see below), whose sum is σ = 436252589501040. Its totient is φ = 72265404718080.

The previous prime is 187163816210633. The next prime is 187163816210689. The reversal of 187163816210680 is 86012618361781.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187163816210689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130719460 + ... + 132143500.

Almost surely, 2^{187163816210680} is an apocalyptic number.

187163816210680 is a gapful number since it is divisible by the number (10) 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 187163816210680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218126294750520).

187163816210680 is an abundant number, since it is smaller than the sum of its proper divisors (249088773290360).

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

187163816210680 is a wasteful number, since it uses less digits than its factorization.

187163816210680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428017 (or 1427984 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 187163816210680 in words is "one hundred eighty-seven trillion, one hundred sixty-three billion, eight hundred sixteen million, two hundred ten thousand, six hundred eighty".