17642220966796 has 24 divisors (see below), whose sum is σ = 31196585337120. Its totient is φ = 8728936591872.

The previous prime is 17642220966791. The next prime is 17642220966823. The reversal of 17642220966796 is 69766902224671.

It is a super-2 number, since 2×17642220966796² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (17642220966791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464935 + ... + 5958238.

It is an arithmetic number, because the mean of its divisors is an integer number (1299857722380).

Almost surely, 2^{17642220966796} is an apocalyptic number.

It is an amenable number.

17642220966796 is a deficient number, since it is larger than the sum of its proper divisors (13554364370324).

17642220966796 is a wasteful number, since it uses less digits than its factorization.

17642220966796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430353 (or 6430351 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 17642220966796 in words is "seventeen trillion, six hundred forty-two billion, two hundred twenty million, nine hundred sixty-six thousand, seven hundred ninety-six".