187131718270106 has 16 divisors (see below), whose sum is σ = 280899781562400. Its totient is φ = 93498460444368.

The previous prime is 187131718270099. The next prime is 187131718270111. The reversal of 187131718270106 is 601072817131781.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143792681 + ... + 145088243.

It is an arithmetic number, because the mean of its divisors is an integer number (17556236347650).

Almost surely, 2^{187131718270106} is an apocalyptic number.

187131718270106 is a deficient number, since it is larger than the sum of its proper divisors (93768063292294).

187131718270106 is a wasteful number, since it uses less digits than its factorization.

187131718270106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347533.

The product of its (nonzero) digits is 790272, while the sum is 53.

The spelling of 187131718270106 in words is "one hundred eighty-seven trillion, one hundred thirty-one billion, seven hundred eighteen million, two hundred seventy thousand, one hundred six".