21167672614 has 48 divisors (see below), whose sum is σ = 35627641344. Its totient is φ = 9352526400.

The previous prime is 21167672599. The next prime is 21167672629. The reversal of 21167672614 is 41627676112.

It is an interprime number because it is at equal distance from previous prime (21167672599) and next prime (21167672629).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8322627 + ... + 8325169.

It is an arithmetic number, because the mean of its divisors is an integer number (742242528).

Almost surely, 2^21167672614 is an apocalyptic number.

21167672614 is a deficient number, since it is larger than the sum of its proper divisors (14459968730).

21167672614 is a wasteful number, since it uses less digits than its factorization.

21167672614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2700 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The spelling of 21167672614 in words is "twenty-one billion, one hundred sixty-seven million, six hundred seventy-two thousand, six hundred fourteen".