21467264014166 has 4 divisors (see below), whose sum is σ = 32200896021252. Its totient is φ = 10733632007082.

The previous prime is 21467264014127. The next prime is 21467264014177. The reversal of 21467264014166 is 66141046276412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5366816003540 + ... + 5366816003543.

It is an arithmetic number, because the mean of its divisors is an integer number (8050224005313).

Almost surely, 2^{21467264014166} is an apocalyptic number.

21467264014166 is a deficient number, since it is larger than the sum of its proper divisors (10733632007086).

21467264014166 is a wasteful number, since it uses less digits than its factorization.

21467264014166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733632007085.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 21467264014166 in words is "twenty-one trillion, four hundred sixty-seven billion, two hundred sixty-four million, fourteen thousand, one hundred sixty-six".