8155916 has 6 divisors (see below), whose sum is σ = 14272860. Its totient is φ = 4077956.

The previous prime is 8155913. The next prime is 8155943. The reversal of 8155916 is 6195518.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (8155913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019486 + ... + 1019493.

It is an arithmetic number, because the mean of its divisors is an integer number (2378810).

Almost surely, 2^8155916 is an apocalyptic number.

It is an amenable number.

8155916 is a deficient number, since it is larger than the sum of its proper divisors (6116944).

8155916 is a wasteful number, since it uses less digits than its factorization.

8155916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038983 (or 2038981 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 8155916 is about 2855.8564389689. The cubic root of 8155916 is about 201.2909493207.

The spelling of 8155916 in words is "eight million, one hundred fifty-five thousand, nine hundred sixteen".