7148715816 has 128 divisors (see below), whose sum is σ = 20294553600. Its totient is φ = 2096107200.

The previous prime is 7148715793. The next prime is 7148715823. The reversal of 7148715816 is 6185178417.

It is a super-2 number, since 2×7148715816² (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 31 ways as a sum of consecutive naturals, for example, 986655 + ... + 993873.

It is an arithmetic number, because the mean of its divisors is an integer number (158551200).

Almost surely, 2^7148715816 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 7148715816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10147276800).

7148715816 is an abundant number, since it is smaller than the sum of its proper divisors (13145837784).

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

7148715816 is a wasteful number, since it uses less digits than its factorization.

7148715816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292 (or 7266 counting only the distinct ones).

The product of its digits is 376320, while the sum is 48.

The square root of 7148715816 is about 84550.0787462673. The cubic root of 7148715816 is about 1926.3831800482.

The spelling of 7148715816 in words is "seven billion, one hundred forty-eight million, seven hundred fifteen thousand, eight hundred sixteen".