18160943322428 has 6 divisors (see below), whose sum is σ = 31781650814256. Its totient is φ = 9080471661212.

The previous prime is 18160943322409. The next prime is 18160943322433. The reversal of 18160943322428 is 82422334906181.

It is a self number, because there is not a number n which added to its sum of digits gives 18160943322428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270117915300 + ... + 2270117915307.

It is an arithmetic number, because the mean of its divisors is an integer number (5296941802376).

Almost surely, 2^{18160943322428} is an apocalyptic number.

It is an amenable number.

18160943322428 is a deficient number, since it is larger than the sum of its proper divisors (13620707491828).

18160943322428 is a wasteful number, since it uses less digits than its factorization.

18160943322428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540235830611 (or 4540235830609 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 18160943322428 in words is "eighteen trillion, one hundred sixty billion, nine hundred forty-three million, three hundred twenty-two thousand, four hundred twenty-eight".