816176008880 has 40 divisors (see below), whose sum is σ = 1897909097472. Its totient is φ = 326418811904.

The previous prime is 816176008877. The next prime is 816176008891. The reversal of 816176008880 is 88800671618.

It is a happy number.

816176008880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×816176008880² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294704 + ... + 1311183.

Almost surely, 2^816176008880 is an apocalyptic number.

816176008880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

816176008880 is an abundant number, since it is smaller than the sum of its proper divisors (1081733088592).

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

816176008880 is a wasteful number, since it uses less digits than its factorization.

816176008880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612253 (or 1612247 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 53.

The spelling of 816176008880 in words is "eight hundred sixteen billion, one hundred seventy-six million, eight thousand, eight hundred eighty".