18350348574 has 16 divisors (see below), whose sum is σ = 37203447312. Its totient is φ = 6032991168.

The previous prime is 18350348551. The next prime is 18350348617. The reversal of 18350348574 is 47584305381.

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, 20947449 + ... + 20948324.

It is an arithmetic number, because the mean of its divisors is an integer number (2325215457).

Almost surely, 2^18350348574 is an apocalyptic number.

18350348574 is an abundant number, since it is smaller than the sum of its proper divisors (18853098738).

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

18350348574 is a wasteful number, since it uses less digits than its factorization.

18350348574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41895851.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 18350348574 in words is "eighteen billion, three hundred fifty million, three hundred forty-eight thousand, five hundred seventy-four".