21364123027662 has 12 divisors (see below), whose sum is σ = 46288933226640. Its totient is φ = 7121374342548.

The previous prime is 21364123027633. The next prime is 21364123027693. The reversal of 21364123027662 is 26672032146312.

21364123027662 is a `hidden beast` number, since 2 + 1 + 364 + 12 + 3 + 0 + 276 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593447861862 + ... + 593447861897.

It is an arithmetic number, because the mean of its divisors is an integer number (3857411102220).

Almost surely, 2^{21364123027662} is an apocalyptic number.

21364123027662 is an abundant number, since it is smaller than the sum of its proper divisors (24924810198978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21364123027662 is a wasteful number, since it uses less digits than its factorization.

21364123027662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186895723767 (or 1186895723764 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 21364123027662 in words is "twenty-one trillion, three hundred sixty-four billion, one hundred twenty-three million, twenty-seven thousand, six hundred sixty-two".