7481890168 has 8 divisors (see below), whose sum is σ = 14028544080. Its totient is φ = 3740945080.

The previous prime is 7481890159. The next prime is 7481890181. The reversal of 7481890168 is 8610981847.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467618128 + ... + 467618143.

It is an arithmetic number, because the mean of its divisors is an integer number (1753568010).

Almost surely, 2^7481890168 is an apocalyptic number.

It is an amenable number.

7481890168 is a deficient number, since it is larger than the sum of its proper divisors (6546653912).

7481890168 is a wasteful number, since it uses less digits than its factorization.

7481890168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935236277 (or 935236273 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 7481890168 is about 86497.9200212352. The cubic root of 7481890168 is about 1955.8570486708.

The spelling of 7481890168 in words is "seven billion, four hundred eighty-one million, eight hundred ninety thousand, one hundred sixty-eight".