7961505016 has 24 divisors (see below), whose sum is σ = 15605084880. Its totient is φ = 3807674288.

The previous prime is 7961504951. The next prime is 7961505031. The reversal of 7961505016 is 6105051697.

It is a self number, because there is not a number n which added to its sum of digits gives 7961505016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 936400 + ... + 944863.

It is an arithmetic number, because the mean of its divisors is an integer number (650211870).

Almost surely, 2^7961505016 is an apocalyptic number.

It is an amenable number.

7961505016 is a deficient number, since it is larger than the sum of its proper divisors (7643579864).

7961505016 is a wasteful number, since it uses less digits than its factorization.

7961505016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881315 (or 1881288 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 7961505016 is about 89227.2661017920. The cubic root of 7961505016 is about 1996.7869255071.

The spelling of 7961505016 in words is "seven billion, nine hundred sixty-one million, five hundred five thousand, sixteen".