18114667914478 has 8 divisors (see below), whose sum is σ = 27172267140240. Its totient is φ = 9057245534400.

The previous prime is 18114667914457. The next prime is 18114667914479. The reversal of 18114667914478 is 87441976641181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114667914479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43955043 + ... + 44365246.

It is an arithmetic number, because the mean of its divisors is an integer number (3396533392530).

Almost surely, 2^{18114667914478} is an apocalyptic number.

18114667914478 is a deficient number, since it is larger than the sum of its proper divisors (9057599225762).

18114667914478 is a wasteful number, since it uses less digits than its factorization.

18114667914478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88422842.

The product of its digits is 65028096, while the sum is 67.

The spelling of 18114667914478 in words is "eighteen trillion, one hundred fourteen billion, six hundred sixty-seven million, nine hundred fourteen thousand, four hundred seventy-eight".