16221922076472 has 64 divisors (see below), whose sum is σ = 46371841044480. Its totient is φ = 4632485653632.

The previous prime is 16221922076461. The next prime is 16221922076473. The reversal of 16221922076472 is 27467022912261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16221922076473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24138648 + ... + 24801575.

It is an arithmetic number, because the mean of its divisors is an integer number (724560016320).

Almost surely, 2^{16221922076472} is an apocalyptic number.

16221922076472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16221922076472 is an abundant number, since it is smaller than the sum of its proper divisors (30149918968008).

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

16221922076472 is a wasteful number, since it uses less digits than its factorization.

16221922076472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48942212 (or 48942208 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 16221922076472 in words is "sixteen trillion, two hundred twenty-one billion, nine hundred twenty-two million, seventy-six thousand, four hundred seventy-two".