16068221564142 has 32 divisors (see below), whose sum is σ = 35062203579264. Its totient is φ = 4868565602400.

The previous prime is 16068221564077. The next prime is 16068221564147. The reversal of 16068221564142 is 24146512286061.

It is a junction number, because it is equal to n+sod(n) for n = 16068221564091 and 16068221564100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16068221564147) 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, 14264488 + ... + 15349659.

It is an arithmetic number, because the mean of its divisors is an integer number (1095693861852).

Almost surely, 2^{16068221564142} is an apocalyptic number.

16068221564142 is an abundant number, since it is smaller than the sum of its proper divisors (18993982015122).

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

16068221564142 is a wasteful number, since it uses less digits than its factorization.

16068221564142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29622384.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 16068221564142 in words is "sixteen trillion, sixty-eight billion, two hundred twenty-one million, five hundred sixty-four thousand, one hundred forty-two".