137066689806 has 32 divisors (see below), whose sum is σ = 278816428800. Its totient is φ = 44908592640.

The previous prime is 137066689801. The next prime is 137066689817. The reversal of 137066689806 is 608986660731.

It is a self number, because there is not a number n which added to its sum of digits gives 137066689806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137066689801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3264615 + ... + 3306333.

It is an arithmetic number, because the mean of its divisors is an integer number (8713013400).

Almost surely, 2^137066689806 is an apocalyptic number.

137066689806 is an abundant number, since it is smaller than the sum of its proper divisors (141749738994).

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

137066689806 is a wasteful number, since it uses less digits than its factorization.

137066689806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51064.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 137066689806 in words is "one hundred thirty-seven billion, sixty-six million, six hundred eighty-nine thousand, eight hundred six".