4911991516 has 12 divisors (see below), whose sum is σ = 8596480032. Its totient is φ = 2455854368.

The previous prime is 4911991507. The next prime is 4911991517. The reversal of 4911991516 is 6151991194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4911991517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102861 + ... + 142843.

It is an arithmetic number, because the mean of its divisors is an integer number (716373336).

Almost surely, 2^4911991516 is an apocalyptic number.

It is an amenable number.

4911991516 is a deficient number, since it is larger than the sum of its proper divisors (3684488516).

4911991516 is a wasteful number, since it uses less digits than its factorization.

4911991516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70700 (or 70698 counting only the distinct ones).

The product of its digits is 87480, while the sum is 46.

The square root of 4911991516 is about 70085.6013457829. The cubic root of 4911991516 is about 1699.8836732398.

The spelling of 4911991516 in words is "four billion, nine hundred eleven million, nine hundred ninety-one thousand, five hundred sixteen".