18074218834 has 16 divisors (see below), whose sum is σ = 30992571648. Its totient is φ = 7744044672.

The previous prime is 18074218801. The next prime is 18074218861. The reversal of 18074218834 is 43881247081.

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, 115327 + ... + 222370.

It is an arithmetic number, because the mean of its divisors is an integer number (1937035728).

Almost surely, 2^18074218834 is an apocalyptic number.

18074218834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18074218834 is a deficient number, since it is larger than the sum of its proper divisors (12918352814).

18074218834 is a wasteful number, since it uses less digits than its factorization.

18074218834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341529.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 18074218834 in words is "eighteen billion, seventy-four million, two hundred eighteen thousand, eight hundred thirty-four".