19161834022 has 16 divisors (see below), whose sum is σ = 29527163712. Its totient is φ = 9319579200.

The previous prime is 19161833993. The next prime is 19161834073. The reversal of 19161834022 is 22043816191.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276147 + ... + 338497.

It is an arithmetic number, because the mean of its divisors is an integer number (1845447732).

Almost surely, 2^19161834022 is an apocalyptic number.

19161834022 is a deficient number, since it is larger than the sum of its proper divisors (10365329690).

19161834022 is a wasteful number, since it uses less digits than its factorization.

19161834022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66543.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 19161834022 in words is "nineteen billion, one hundred sixty-one million, eight hundred thirty-four thousand, twenty-two".