178618642324013 has 16 divisors (see below), whose sum is σ = 187101099897600. Its totient is φ = 170196174504576.

The previous prime is 178618642323949. The next prime is 178618642324021. The reversal of 178618642324013 is 310423246816871.

It is a happy number.

It is not a de Polignac number, because 178618642324013 - 2⁶ = 178618642323949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 178618642324013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178618642324513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24113888 + ... + 30638486.

It is an arithmetic number, because the mean of its divisors is an integer number (11693818743600).

Almost surely, 2^{178618642324013} is an apocalyptic number.

It is an amenable number.

178618642324013 is a deficient number, since it is larger than the sum of its proper divisors (8482457573587).

178618642324013 is a wasteful number, since it uses less digits than its factorization.

178618642324013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529196.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 178618642324013 in words is "one hundred seventy-eight trillion, six hundred eighteen billion, six hundred forty-two million, three hundred twenty-four thousand, thirteen".