19160168442 has 64 divisors (see below), whose sum is σ = 41050765440. Its totient is φ = 5943801600.

The previous prime is 19160168437. The next prime is 19160168471. The reversal of 19160168442 is 24486106191.

It is a super-2 number, since 2×19160168442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19160168394 and 19160168403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8211508 + ... + 8213840.

It is an arithmetic number, because the mean of its divisors is an integer number (641418210).

Almost surely, 2^19160168442 is an apocalyptic number.

19160168442 is an abundant number, since it is smaller than the sum of its proper divisors (21890596998).

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

19160168442 is a wasteful number, since it uses less digits than its factorization.

19160168442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 19160168442 in words is "nineteen billion, one hundred sixty million, one hundred sixty-eight thousand, four hundred forty-two".