810618146648 has 16 divisors (see below), whose sum is σ = 1522236613680. Its totient is φ = 404688383008.

The previous prime is 810618146641. The next prime is 810618146693. The reversal of 810618146648 is 846641816018.

It is a super-3 number, since 3×810618146648³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 810618146648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810618146641) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 77580740 + ... + 77591187.

It is an arithmetic number, because the mean of its divisors is an integer number (95139788355).

Almost surely, 2^810618146648 is an apocalyptic number.

It is an amenable number.

810618146648 is a deficient number, since it is larger than the sum of its proper divisors (711618467032).

810618146648 is a wasteful number, since it uses less digits than its factorization.

810618146648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155172586 (or 155172582 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 810618146648 in words is "eight hundred ten billion, six hundred eighteen million, one hundred forty-six thousand, six hundred forty-eight".