18165232414 has 16 divisors (see below), whose sum is σ = 31142937600. Its totient is φ = 7784464824.

The previous prime is 18165232391. The next prime is 18165232427. The reversal of 18165232414 is 41423256181.

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, 152407 + ... + 244045.

It is an arithmetic number, because the mean of its divisors is an integer number (1946433600).

Almost surely, 2^18165232414 is an apocalyptic number.

18165232414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18165232414 is a deficient number, since it is larger than the sum of its proper divisors (12977705186).

18165232414 is a wasteful number, since it uses less digits than its factorization.

18165232414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105807.

The product of its digits is 46080, while the sum is 37.

Adding to 18165232414 its reverse (41423256181), we get a palindrome (59588488595).

It can be divided in two parts, 1816 and 5232414, that added together give a triangular number (5234230 = T₃₂₃₅).

The spelling of 18165232414 in words is "eighteen billion, one hundred sixty-five million, two hundred thirty-two thousand, four hundred fourteen".