21601614670614 has 48 divisors (see below), whose sum is σ = 51371603509824. Its totient is φ = 6505784665200.

The previous prime is 21601614670591. The next prime is 21601614670627. The reversal of 21601614670614 is 41607641610612.

21601614670614 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 16 + 14 + 6 + 7 + 0 + 614 = 666.

It is a super-3 number, since 3×21601614670614³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21601614670614.

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, 334627432 + ... + 334691979.

It is an arithmetic number, because the mean of its divisors is an integer number (1070241739788).

Almost surely, 2^{21601614670614} is an apocalyptic number.

21601614670614 is an abundant number, since it is smaller than the sum of its proper divisors (29769988839210).

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

21601614670614 is a wasteful number, since it uses less digits than its factorization.

21601614670614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669319593 (or 669319590 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 21601614670614 in words is "twenty-one trillion, six hundred one billion, six hundred fourteen million, six hundred seventy thousand, six hundred fourteen".