18442507107 has 16 divisors (see below), whose sum is σ = 24785025408. Its totient is φ = 12197552640.

The previous prime is 18442507099. The next prime is 18442507129. The reversal of 18442507107 is 70170524481.

It is not a de Polignac number, because 18442507107 - 2³ = 18442507099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18442507147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335588 + ... + 2343470.

It is an arithmetic number, because the mean of its divisors is an integer number (1549064088).

Almost surely, 2^18442507107 is an apocalyptic number.

18442507107 is a deficient number, since it is larger than the sum of its proper divisors (6342518301).

18442507107 is a wasteful number, since it uses less digits than its factorization.

18442507107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 18442507107 in words is "eighteen billion, four hundred forty-two million, five hundred seven thousand, one hundred seven".