8016021738 has 32 divisors (see below), whose sum is σ = 18192395520. Its totient is φ = 2615155200.

The previous prime is 8016021733. The next prime is 8016021743. The reversal of 8016021738 is 8371206108.

8016021738 is a `hidden beast` number, since 8 + 0 + 1 + 602 + 17 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (8016021733) and next prime (8016021743).

It is not an unprimeable number, because it can be changed into a prime (8016021733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576663 + ... + 1581738.

It is an arithmetic number, because the mean of its divisors is an integer number (568512360).

Almost surely, 2^8016021738 is an apocalyptic number.

8016021738 is an abundant number, since it is smaller than the sum of its proper divisors (10176373782).

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

8016021738 is a wasteful number, since it uses less digits than its factorization.

8016021738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158459 (or 3158453 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8016021738 is about 89532.2385400924. The cubic root of 8016021738 is about 2001.3342545178.

The spelling of 8016021738 in words is "eight billion, sixteen million, twenty-one thousand, seven hundred thirty-eight".