166310787050782 has 16 divisors (see below), whose sum is σ = 272151875770992. Its totient is φ = 75593881321920.

The previous prime is 166310787050689. The next prime is 166310787050789. The reversal of 166310787050782 is 287050787013661.

It is a self number, because there is not a number n which added to its sum of digits gives 166310787050782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166310787050789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95667663 + ... + 97390570.

It is an arithmetic number, because the mean of its divisors is an integer number (17009492235687).

Almost surely, 2^{166310787050782} is an apocalyptic number.

166310787050782 is a deficient number, since it is larger than the sum of its proper divisors (105841088720210).

166310787050782 is a wasteful number, since it uses less digits than its factorization.

166310787050782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193097403.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 166310787050782 in words is "one hundred sixty-six trillion, three hundred ten billion, seven hundred eighty-seven million, fifty thousand, seven hundred eighty-two".