18069001678 has 32 divisors (see below), whose sum is σ = 34171784640. Its totient is φ = 6973827840.

The previous prime is 18069001661. The next prime is 18069001777. The reversal of 18069001678 is 87610096081.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203273 + ... + 1218196.

It is an arithmetic number, because the mean of its divisors is an integer number (1067868270).

Almost surely, 2^18069001678 is an apocalyptic number.

18069001678 is a deficient number, since it is larger than the sum of its proper divisors (16102782962).

18069001678 is a wasteful number, since it uses less digits than its factorization.

18069001678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421532.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 18069001678 in words is "eighteen billion, sixty-nine million, one thousand, six hundred seventy-eight".