7816818116 has 12 divisors (see below), whose sum is σ = 13680522240. Its totient is φ = 3908097480.

The previous prime is 7816818103. The next prime is 7816818131. The reversal of 7816818116 is 6118186187.

It is a super-2 number, since 2×7816818116² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15980 + ... + 126051.

It is an arithmetic number, because the mean of its divisors is an integer number (1140043520).

Almost surely, 2^7816818116 is an apocalyptic number.

It is an amenable number.

7816818116 is a deficient number, since it is larger than the sum of its proper divisors (5863704124).

7816818116 is a wasteful number, since it uses less digits than its factorization.

7816818116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155794 (or 155792 counting only the distinct ones).

The product of its digits is 129024, while the sum is 47.

The square root of 7816818116 is about 88412.7712267860. The cubic root of 7816818116 is about 1984.6168253273.

The spelling of 7816818116 in words is "seven billion, eight hundred sixteen million, eight hundred eighteen thousand, one hundred sixteen".