18678245225074 has 16 divisors (see below), whose sum is σ = 28039875849216. Its totient is φ = 9331620490800.

The previous prime is 18678245225023. The next prime is 18678245225077. The reversal of 18678245225074 is 47052254287681.

It is not an unprimeable number, because it can be changed into a prime (18678245225077) 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, 76497064 + ... + 76740844.

It is an arithmetic number, because the mean of its divisors is an integer number (1752492240576).

Almost surely, 2^{18678245225074} is an apocalyptic number.

18678245225074 is a deficient number, since it is larger than the sum of its proper divisors (9361630624142).

18678245225074 is a wasteful number, since it uses less digits than its factorization.

18678245225074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274401.

The product of its (nonzero) digits is 60211200, while the sum is 61.

The spelling of 18678245225074 in words is "eighteen trillion, six hundred seventy-eight billion, two hundred forty-five million, two hundred twenty-five thousand, seventy-four".