816463088 has 60 divisors (see below), whose sum is σ = 1851745320. Its totient is φ = 347711616.

The previous prime is 816463073. The next prime is 816463103. The reversal of 816463088 is 880364618.

It is an interprime number because it is at equal distance from previous prime (816463073) and next prime (816463103).

It is a super-2 number, since 2×816463088² = 1333223948132991488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124598 + ... + 130986.

It is an arithmetic number, because the mean of its divisors is an integer number (30862422).

Almost surely, 2^816463088 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 816463088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925872660).

816463088 is an abundant number, since it is smaller than the sum of its proper divisors (1035282232).

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

816463088 is a wasteful number, since it uses less digits than its factorization.

816463088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574 (or 6561 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 816463088 is about 28573.8182257814. The cubic root of 816463088 is about 934.6424850655.

The spelling of 816463088 in words is "eight hundred sixteen million, four hundred sixty-three thousand, eighty-eight".