9921047162 has 16 divisors (see below), whose sum is σ = 16044493920. Its totient is φ = 4573748592.

The previous prime is 9921047111. The next prime is 9921047167. The reversal of 9921047162 is 2617401299.

It is not an unprimeable number, because it can be changed into a prime (9921047167) 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 7 ways as a sum of consecutive naturals, for example, 193112 + ... + 239027.

It is an arithmetic number, because the mean of its divisors is an integer number (1002780870).

Almost surely, 2^9921047162 is an apocalyptic number.

9921047162 is a deficient number, since it is larger than the sum of its proper divisors (6123446758).

9921047162 is a wasteful number, since it uses less digits than its factorization.

9921047162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433037.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9921047162 is about 99604.4535249303. The cubic root of 9921047162 is about 2148.7497444895.

The spelling of 9921047162 in words is "nine billion, nine hundred twenty-one million, forty-seven thousand, one hundred sixty-two".