810393515106 has 32 divisors (see below), whose sum is σ = 1853277646848. Its totient is φ = 231422302800.

The previous prime is 810393515077. The next prime is 810393515123. The reversal of 810393515106 is 601515393018.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 in 15 ways as a sum of consecutive naturals, for example, 4862980 + ... + 5026863.

It is an arithmetic number, because the mean of its divisors is an integer number (57914926464).

Almost surely, 2^810393515106 is an apocalyptic number.

810393515106 is an abundant number, since it is smaller than the sum of its proper divisors (1042884131742).

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

810393515106 is a wasteful number, since it uses less digits than its factorization.

810393515106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891806.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 810393515106 in words is "eight hundred ten billion, three hundred ninety-three million, five hundred fifteen thousand, one hundred six".