7116481638 has 40 divisors (see below), whose sum is σ = 18224220432. Its totient is φ = 2033280144.

The previous prime is 7116481627. The next prime is 7116481649. The reversal of 7116481638 is 8361846117.

7116481638 is a `hidden beast` number, since 7 + 1 + 1 + 6 + 4 + 8 + 1 + 638 = 666.

It is an interprime number because it is at equal distance from previous prime (7116481627) and next prime (7116481649).

It is a junction number, because it is equal to n+sod(n) for n = 7116481593 and 7116481602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3136645 + ... + 3138912.

Almost surely, 2^7116481638 is an apocalyptic number.

7116481638 is an abundant number, since it is smaller than the sum of its proper divisors (11107738794).

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

7116481638 is a wasteful number, since it uses less digits than its factorization.

7116481638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275578 (or 6275569 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 7116481638 is about 84359.2415684257. The cubic root of 7116481638 is about 1923.4834077641.

The spelling of 7116481638 in words is "seven billion, one hundred sixteen million, four hundred eighty-one thousand, six hundred thirty-eight".