8021616902 has 16 divisors (see below), whose sum is σ = 12959527392. Its totient is φ = 3701847360.

The previous prime is 8021616901. The next prime is 8021616929. The reversal of 8021616902 is 2096161208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021616901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336002 + ... + 359082.

It is an arithmetic number, because the mean of its divisors is an integer number (809970462).

Almost surely, 2^8021616902 is an apocalyptic number.

8021616902 is a deficient number, since it is larger than the sum of its proper divisors (4937910490).

8021616902 is a wasteful number, since it uses less digits than its factorization.

8021616902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36463.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 8021616902 is about 89563.4797336504. The cubic root of 8021616902 is about 2001.7997883950.

The spelling of 8021616902 in words is "eight billion, twenty-one million, six hundred sixteen thousand, nine hundred two".