816070536 has 96 divisors (see below), whose sum is σ = 2320531200. Its totient is φ = 258744960.

The previous prime is 816070517. The next prime is 816070547. The reversal of 816070536 is 635070618.

It is a super-2 number, since 2×816070536² = 1331942239454654592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 816070536.

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 23 ways as a sum of consecutive naturals, for example, 128590 + ... + 134786.

It is an arithmetic number, because the mean of its divisors is an integer number (24172200).

Almost surely, 2^816070536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816070536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160265600).

816070536 is an abundant number, since it is smaller than the sum of its proper divisors (1504460664).

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

816070536 is a wasteful number, since it uses less digits than its factorization.

With its successor (816070537) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (6299).

816070536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 816070536 is about 28566.9483144420. The cubic root of 816070536 is about 934.4926703347.

The spelling of 816070536 in words is "eight hundred sixteen million, seventy thousand, five hundred thirty-six".