21920946167082 has 8 divisors (see below), whose sum is σ = 43841892334176. Its totient is φ = 7306982055692.

The previous prime is 21920946167077. The next prime is 21920946167083. The reversal of 21920946167082 is 28076164902912.

It is a sphenic number, since it is the product of 3 distinct primes.

21920946167082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21920946167083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826745513918 + ... + 1826745513929.

It is an arithmetic number, because the mean of its divisors is an integer number (5480236541772).

Almost surely, 2^{21920946167082} is an apocalyptic number.

21920946167082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21920946167082 is a wasteful number, since it uses less digits than its factorization.

21920946167082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653491027852.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 21920946167082 in words is "twenty-one trillion, nine hundred twenty billion, nine hundred forty-six million, one hundred sixty-seven thousand, eighty-two".