22621167651 has 12 divisors (see below), whose sum is σ = 30197514392. Its totient is φ = 15062820864.

The previous prime is 22621167637. The next prime is 22621167671. The reversal of 22621167651 is 15676112622.

It is a de Polignac number, because none of the positive numbers 2^k-22621167651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22621167671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2584755 + ... + 2593491.

Almost surely, 2^22621167651 is an apocalyptic number.

22621167651 is a deficient number, since it is larger than the sum of its proper divisors (7576346741).

22621167651 is an frugal number, since it uses more digits than its factorization.

22621167651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598 (or 9669 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The spelling of 22621167651 in words is "twenty-two billion, six hundred twenty-one million, one hundred sixty-seven thousand, six hundred fifty-one".