7621963168 has 24 divisors (see below), whose sum is σ = 15008813568. Its totient is φ = 3810201024.

The previous prime is 7621963157. The next prime is 7621963171. The reversal of 7621963168 is 8613691267.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154455 + ... + 197737.

It is an arithmetic number, because the mean of its divisors is an integer number (625367232).

Almost surely, 2^7621963168 is an apocalyptic number.

It is an amenable number.

7621963168 is a deficient number, since it is larger than the sum of its proper divisors (7386850400).

7621963168 is a wasteful number, since it uses less digits than its factorization.

7621963168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48796 (or 48788 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 7621963168 is about 87303.8554016946. The cubic root of 7621963168 is about 1967.9872567311.

The spelling of 7621963168 in words is "seven billion, six hundred twenty-one million, nine hundred sixty-three thousand, one hundred sixty-eight".