618836578470704 has 80 divisors (see below), whose sum is σ = 1338922361234304. Its totient is φ = 274643384332800.

The previous prime is 618836578470703. The next prime is 618836578470727. The reversal of 618836578470704 is 407074875638816.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (618836578470703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4398599 + ... + 35454489.

Almost surely, 2^{618836578470704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618836578470704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669461180617152).

618836578470704 is an abundant number, since it is smaller than the sum of its proper divisors (720085782763600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618836578470704 is a wasteful number, since it uses less digits than its factorization.

618836578470704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058586 (or 31058580 counting only the distinct ones).

The product of its (nonzero) digits is 1517322240, while the sum is 74.

The spelling of 618836578470704 in words is "six hundred eighteen trillion, eight hundred thirty-six billion, five hundred seventy-eight million, four hundred seventy thousand, seven hundred four".