4167820816 has 10 divisors (see below), whose sum is σ = 8075152862. Its totient is φ = 2083910400.

The previous prime is 4167820807. The next prime is 4167820831. The reversal of 4167820816 is 6180287614.

4167820816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2731107600 + 1436713216 = 52260^2 + 37904^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130244385 + ... + 130244416.

Almost surely, 2^4167820816 is an apocalyptic number.

It is an amenable number.

4167820816 is a deficient number, since it is larger than the sum of its proper divisors (3907332046).

4167820816 is a wasteful number, since it uses less digits than its factorization.

4167820816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260488809 (or 260488803 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 4167820816 is about 64558.6618200842. The cubic root of 4167820816 is about 1609.2975364838.

The spelling of 4167820816 in words is "four billion, one hundred sixty-seven million, eight hundred twenty thousand, eight hundred sixteen".