816416055 has 96 divisors (see below), whose sum is σ = 1752406656. Its totient is φ = 342392832.

The previous prime is 816416039. The next prime is 816416057. The reversal of 816416055 is 550614618.

816416055 is a `hidden beast` number, since 8 + 1 + 6 + 41 + 605 + 5 = 666.

It is not a de Polignac number, because 816416055 - 2⁴ = 816416039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816416057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 789819 + ... + 790851.

It is an arithmetic number, because the mean of its divisors is an integer number (18254236).

Almost surely, 2^816416055 is an apocalyptic number.

816416055 is an abundant number, since it is smaller than the sum of its proper divisors (935990601).

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

816416055 is a wasteful number, since it uses less digits than its factorization.

816416055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 816416055 is about 28572.9952052633. The cubic root of 816416055 is about 934.6245377818.

The spelling of 816416055 in words is "eight hundred sixteen million, four hundred sixteen thousand, fifty-five".