21716414220076 has 12 divisors (see below), whose sum is σ = 39656060749872. Its totient is φ = 10386111148688.

The previous prime is 21716414220043. The next prime is 21716414220089. The reversal of 21716414220076 is 67002241461712.

It is a super-2 number, since 2×21716414220076² (a number of 27 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 118023990235 + ... + 118023990418.

It is an arithmetic number, because the mean of its divisors is an integer number (3304671729156).

Almost surely, 2^{21716414220076} is an apocalyptic number.

It is an amenable number.

21716414220076 is a deficient number, since it is larger than the sum of its proper divisors (17939646529796).

21716414220076 is a wasteful number, since it uses less digits than its factorization.

21716414220076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236047980680 (or 236047980678 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

Adding to 21716414220076 its reverse (67002241461712), we get a palindrome (88718655681788).

The spelling of 21716414220076 in words is "twenty-one trillion, seven hundred sixteen billion, four hundred fourteen million, two hundred twenty thousand, seventy-six".