18520407614 has 16 divisors (see below), whose sum is σ = 29577287376. Its totient is φ = 8667331200.

The previous prime is 18520407611. The next prime is 18520407637. The reversal of 18520407614 is 41670402581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18520407611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498592 + ... + 1510899.

It is an arithmetic number, because the mean of its divisors is an integer number (1848580461).

Almost surely, 2^18520407614 is an apocalyptic number.

18520407614 is a deficient number, since it is larger than the sum of its proper divisors (11056879762).

18520407614 is a wasteful number, since it uses less digits than its factorization.

18520407614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009691.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 18520407614 in words is "eighteen billion, five hundred twenty million, four hundred seven thousand, six hundred fourteen".