618542767376 has 80 divisors (see below), whose sum is σ = 1280270914560. Its totient is φ = 288855329280.

The previous prime is 618542767351. The next prime is 618542767391. The reversal of 618542767376 is 673767245816.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41749346 + ... + 41764158.

It is an arithmetic number, because the mean of its divisors is an integer number (16003386432).

Almost surely, 2^618542767376 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 618542767376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640135457280).

618542767376 is an abundant number, since it is smaller than the sum of its proper divisors (661728147184).

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

618542767376 is a wasteful number, since it uses less digits than its factorization.

618542767376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784 (or 17778 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 62.

The spelling of 618542767376 in words is "six hundred eighteen billion, five hundred forty-two million, seven hundred sixty-seven thousand, three hundred seventy-six".