8216156704 has 48 divisors (see below), whose sum is σ = 18501473088. Its totient is φ = 3518330112.

The previous prime is 8216156701. The next prime is 8216156713. The reversal of 8216156704 is 4076516128.

It is not an unprimeable number, because it can be changed into a prime (8216156701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271687 + ... + 300409.

It is an arithmetic number, because the mean of its divisors is an integer number (385447356).

Almost surely, 2^8216156704 is an apocalyptic number.

It is an amenable number.

8216156704 is an abundant number, since it is smaller than the sum of its proper divisors (10285316384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8216156704 is a wasteful number, since it uses less digits than its factorization.

8216156704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017 (or 30009 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 8216156704 is about 90643.0179550527. The cubic root of 8216156704 is about 2017.8532158023.

The spelling of 8216156704 in words is "eight billion, two hundred sixteen million, one hundred fifty-six thousand, seven hundred four".