18107739224 has 32 divisors (see below), whose sum is σ = 34540914240. Its totient is φ = 8897107200.

The previous prime is 18107739217. The next prime is 18107739241. The reversal of 18107739224 is 42293770181.

It is a Cunningham number, because it is equal to 134565²-1.

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, 521444 + ... + 555084.

It is an arithmetic number, because the mean of its divisors is an integer number (1079403570).

Almost surely, 2^18107739224 is an apocalyptic number.

It is an amenable number.

18107739224 is a deficient number, since it is larger than the sum of its proper divisors (16433175016).

18107739224 is a wasteful number, since it uses less digits than its factorization.

18107739224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34811 (or 34807 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 18107739224 in words is "eighteen billion, one hundred seven million, seven hundred thirty-nine thousand, two hundred twenty-four".