187138673322 has 8 divisors (see below), whose sum is σ = 374277346656. Its totient is φ = 62379557772.

The previous prime is 187138673317. The next prime is 187138673327. The reversal of 187138673322 is 223376831781.

It is an interprime number because it is at equal distance from previous prime (187138673317) and next prime (187138673327).

It is a sphenic number, since it is the product of 3 distinct primes.

187138673322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (187138673327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15594889438 + ... + 15594889449.

It is an arithmetic number, because the mean of its divisors is an integer number (46784668332).

Almost surely, 2^187138673322 is an apocalyptic number.

187138673322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

187138673322 is a wasteful number, since it uses less digits than its factorization.

187138673322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31189778892.

The product of its digits is 2032128, while the sum is 51.

The spelling of 187138673322 in words is "one hundred eighty-seven billion, one hundred thirty-eight million, six hundred seventy-three thousand, three hundred twenty-two".