816069030 has 128 divisors (see below), whose sum is σ = 2318284800. Its totient is φ = 183738240.

The previous prime is 816069029. The next prime is 816069053. The reversal of 816069030 is 30960618.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 816068982 and 816069000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 730032 + ... + 731148.

It is an arithmetic number, because the mean of its divisors is an integer number (18111600).

Almost surely, 2^816069030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816069030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159142400).

816069030 is an abundant number, since it is smaller than the sum of its proper divisors (1502215770).

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

816069030 is a wasteful number, since it uses less digits than its factorization.

816069030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 816069030 is about 28566.9219552965. The cubic root of 816069030 is about 934.4920954879.

The spelling of 816069030 in words is "eight hundred sixteen million, sixty-nine thousand, thirty".