187064160137 has 4 divisors (see below), whose sum is σ = 187172104260. Its totient is φ = 186956216016.

The previous prime is 187064160133. The next prime is 187064160163. The reversal of 187064160137 is 731061460781.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23996798281 + 163067361856 = 154909^2 + 403816^2 .

It is a cyclic number.

It is not a de Polignac number, because 187064160137 - 2² = 187064160133 is a prime.

It is a super-2 number, since 2×187064160137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187064160133) 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, 53969462 + ... + 53972927.

It is an arithmetic number, because the mean of its divisors is an integer number (46793026065).

Almost surely, 2^187064160137 is an apocalyptic number.

It is an amenable number.

187064160137 is a deficient number, since it is larger than the sum of its proper divisors (107944123).

187064160137 is a wasteful number, since it uses less digits than its factorization.

187064160137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107944122.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 187064160137 in words is "one hundred eighty-seven billion, sixty-four million, one hundred sixty thousand, one hundred thirty-seven".