16142380451868 has 36 divisors (see below), whose sum is σ = 41400981272840. Its totient is φ = 4891630439520.

The previous prime is 16142380451837. The next prime is 16142380451881. The reversal of 16142380451868 is 86815408324161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5558669503 + ... + 5558672406.

Almost surely, 2^{16142380451868} is an apocalyptic number.

It is an amenable number.

16142380451868 is an abundant number, since it is smaller than the sum of its proper divisors (25258600820972).

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

16142380451868 is a wasteful number, since it uses less digits than its factorization.

16142380451868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117341938 (or 11117341925 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 16142380451868 in words is "sixteen trillion, one hundred forty-two billion, three hundred eighty million, four hundred fifty-one thousand, eight hundred sixty-eight".