16822191975 has 24 divisors (see below), whose sum is σ = 29276519040. Its totient is φ = 8499633120.

The previous prime is 16822191961. The next prime is 16822191983. The reversal of 16822191975 is 57919122861.

It is a de Polignac number, because none of the positive numbers 2^k-16822191975 is a prime.

It is a super-2 number, since 2×16822191975² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5901099 + ... + 5903948.

It is an arithmetic number, because the mean of its divisors is an integer number (1219854960).

Almost surely, 2^16822191975 is an apocalyptic number.

16822191975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16822191975 is a deficient number, since it is larger than the sum of its proper divisors (12454327065).

16822191975 is a wasteful number, since it uses less digits than its factorization.

16822191975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805079 (or 11805074 counting only the distinct ones).

The product of its digits is 544320, while the sum is 51.

The spelling of 16822191975 in words is "sixteen billion, eight hundred twenty-two million, one hundred ninety-one thousand, nine hundred seventy-five".