810161834 has 8 divisors (see below), whose sum is σ = 1222698720. Its totient is φ = 402595596.

The previous prime is 810161819. The next prime is 810161857. The reversal of 810161834 is 438161018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 810161834.

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, 1242254 + ... + 1242905.

It is an arithmetic number, because the mean of its divisors is an integer number (152837340).

Almost surely, 2^810161834 is an apocalyptic number.

810161834 is a deficient number, since it is larger than the sum of its proper divisors (412536886).

810161834 is a wasteful number, since it uses less digits than its factorization.

810161834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485324.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 810161834 is about 28463.3419330900. The cubic root of 810161834 is about 932.2318286232.

The spelling of 810161834 in words is "eight hundred ten million, one hundred sixty-one thousand, eight hundred thirty-four".