3995705216 has 16 divisors (see below), whose sum is σ = 7960194240. Its totient is φ = 1997852544.

The previous prime is 3995705191. The next prime is 3995705251. The reversal of 3995705216 is 6125075993.

3995705216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

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, 15608096 + ... + 15608351.

It is an arithmetic number, because the mean of its divisors is an integer number (497512140).

Almost surely, 2^3995705216 is an apocalyptic number.

It is an amenable number.

3995705216 is a deficient number, since it is larger than the sum of its proper divisors (3964489024).

3995705216 is an equidigital number, since it uses as much as digits as its factorization.

3995705216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31216461 (or 31216449 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 3995705216 is about 63211.5908358586. The cubic root of 3995705216 is about 1586.8327197943.

The spelling of 3995705216 in words is "three billion, nine hundred ninety-five million, seven hundred five thousand, two hundred sixteen".