816760641206 has 4 divisors (see below), whose sum is σ = 1225140961812. Its totient is φ = 408380320602.

The previous prime is 816760641163. The next prime is 816760641227. The reversal of 816760641206 is 602146067618.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602146067618 = 2 ⋅301073033809.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204190160300 + ... + 204190160303.

It is an arithmetic number, because the mean of its divisors is an integer number (306285240453).

Almost surely, 2^816760641206 is an apocalyptic number.

816760641206 is a deficient number, since it is larger than the sum of its proper divisors (408380320606).

816760641206 is a wasteful number, since it uses less digits than its factorization.

816760641206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408380320605.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 816760641206 in words is "eight hundred sixteen billion, seven hundred sixty million, six hundred forty-one thousand, two hundred six".