1618411327344 has 80 divisors (see below), whose sum is σ = 5309074205440. Its totient is φ = 462403235520.

The previous prime is 1618411327319. The next prime is 1618411327349. The reversal of 1618411327344 is 4437231148161.

1618411327344 is a `hidden beast` number, since 1 + 618 + 4 + 1 + 1 + 3 + 27 + 3 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1618411327344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618411327349) 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, 267591442 + ... + 267597489.

It is an arithmetic number, because the mean of its divisors is an integer number (66363427568).

Almost surely, 2^{1618411327344} is an apocalyptic number.

1618411327344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1618411327344 is an abundant number, since it is smaller than the sum of its proper divisors (3690662878096).

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

1618411327344 is a wasteful number, since it uses less digits than its factorization.

1618411327344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535188955 (or 535188943 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 1618411327344 in words is "one trillion, six hundred eighteen billion, four hundred eleven million, three hundred twenty-seven thousand, three hundred forty-four".