18214151614 has 16 divisors (see below), whose sum is σ = 27893960928. Its totient is φ = 8916871392.

The previous prime is 18214151573. The next prime is 18214151617. The reversal of 18214151614 is 41615141281.

It is a self number, because there is not a number n which added to its sum of digits gives 18214151614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18214151617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124797 + ... + 228040.

It is an arithmetic number, because the mean of its divisors is an integer number (1743372558).

Almost surely, 2^18214151614 is an apocalyptic number.

18214151614 is a deficient number, since it is larger than the sum of its proper divisors (9679809314).

18214151614 is a wasteful number, since it uses less digits than its factorization.

18214151614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353379.

The product of its digits is 7680, while the sum is 34.

Adding to 18214151614 its reverse (41615141281), we get a palindrome (59829292895).

The spelling of 18214151614 in words is "eighteen billion, two hundred fourteen million, one hundred fifty-one thousand, six hundred fourteen".