8318556148 has 18 divisors (see below), whose sum is σ = 16934203986. Its totient is φ = 3565095408.

The previous prime is 8318556121. The next prime is 8318556157. The reversal of 8318556148 is 8416558138.

It can be written as a sum of positive squares in only one way, i.e., 6509585124 + 1808971024 = 80682^2 + 42532^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21220611 + ... + 21221002.

Almost surely, 2^8318556148 is an apocalyptic number.

It is an amenable number.

8318556148 is an abundant number, since it is smaller than the sum of its proper divisors (8615647838).

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

8318556148 is a wasteful number, since it uses less digits than its factorization.

8318556148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42441631 (or 42441622 counting only the distinct ones).

The product of its digits is 921600, while the sum is 49.

The square root of 8318556148 is about 91206.1190271793. The cubic root of 8318556148 is about 2026.2015851355.

The spelling of 8318556148 in words is "eight billion, three hundred eighteen million, five hundred fifty-six thousand, one hundred forty-eight".