820903067164 has 12 divisors (see below), whose sum is σ = 1486117621800. Its totient is φ = 396298032368.

The previous prime is 820903067147. The next prime is 820903067197. The reversal of 820903067164 is 461760309028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538375174 + ... + 3538375405.

It is an arithmetic number, because the mean of its divisors is an integer number (123843135150).

Almost surely, 2^820903067164 is an apocalyptic number.

It is an amenable number.

820903067164 is a deficient number, since it is larger than the sum of its proper divisors (665214554636).

820903067164 is a wasteful number, since it uses less digits than its factorization.

820903067164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076750612 (or 7076750610 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 820903067164 in words is "eight hundred twenty billion, nine hundred three million, sixty-seven thousand, one hundred sixty-four".