816741562 has 96 divisors (see below), whose sum is σ = 1646797824. Its totient is φ = 295488000.

The previous prime is 816741551. The next prime is 816741599. The reversal of 816741562 is 265147618.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2036562 + ... + 2036962.

It is an arithmetic number, because the mean of its divisors is an integer number (17154144).

Almost surely, 2^816741562 is an apocalyptic number.

816741562 is an abundant number, since it is smaller than the sum of its proper divisors (830056262).

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

816741562 is a wasteful number, since it uses less digits than its factorization.

816741562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 473 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 816741562 is about 28578.6906977909. The cubic root of 816741562 is about 934.7487336108.

It can be divided in two parts, 8167 and 41562, that added together give a square (49729 = 223²).

The spelling of 816741562 in words is "eight hundred sixteen million, seven hundred forty-one thousand, five hundred sixty-two".