16722066572 has 12 divisors (see below), whose sum is σ = 29537109000. Its totient is φ = 8282892576.

The previous prime is 16722066551. The next prime is 16722066589. The reversal of 16722066572 is 27566022761.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19534697 + ... + 19535552.

It is an arithmetic number, because the mean of its divisors is an integer number (2461425750).

Almost surely, 2^16722066572 is an apocalyptic number.

It is an amenable number.

16722066572 is a deficient number, since it is larger than the sum of its proper divisors (12815042428).

16722066572 is a wasteful number, since it uses less digits than its factorization.

16722066572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39070360 (or 39070358 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 16722066572 in words is "sixteen billion, seven hundred twenty-two million, sixty-six thousand, five hundred seventy-two".