618271870213144 has 24 divisors (see below), whose sum is σ = 1348526655695340. Its totient is φ = 264973658662608.

The previous prime is 618271870213073. The next prime is 618271870213223. The reversal of 618271870213144 is 441312078172816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788612078962 + ... + 788612079745.

Almost surely, 2^{618271870213144} is an apocalyptic number.

It is an amenable number.

618271870213144 is an abundant number, since it is smaller than the sum of its proper divisors (730254785482196).

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

618271870213144 is a wasteful number, since it uses less digits than its factorization.

618271870213144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577224158727 (or 1577224158716 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 618271870213144 in words is "six hundred eighteen trillion, two hundred seventy-one billion, eight hundred seventy million, two hundred thirteen thousand, one hundred forty-four".