4191991016 has 32 divisors (see below), whose sum is σ = 7915834080. Its totient is φ = 2081150400.

The previous prime is 4191991007. The next prime is 4191991021. The reversal of 4191991016 is 6101991914.

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 7 ways as a sum of consecutive naturals, for example, 775475 + ... + 780861.

It is an arithmetic number, because the mean of its divisors is an integer number (247369815).

Almost surely, 2^4191991016 is an apocalyptic number.

It is an amenable number.

4191991016 is a deficient number, since it is larger than the sum of its proper divisors (3723843064).

4191991016 is a wasteful number, since it uses less digits than its factorization.

4191991016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6061 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 4191991016 is about 64745.5868457457. The cubic root of 4191991016 is about 1612.4024439187.

The spelling of 4191991016 in words is "four billion, one hundred ninety-one million, nine hundred ninety-one thousand, sixteen".