618820557454132 has 72 divisors (see below), whose sum is σ = 1208311716359552. Its totient is φ = 277035450721920.

The previous prime is 618820557454007. The next prime is 618820557454159. The reversal of 618820557454132 is 231454755028816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184376293 + ... + 187702579.

Almost surely, 2^{618820557454132} is an apocalyptic number.

It is an amenable number.

618820557454132 is a deficient number, since it is larger than the sum of its proper divisors (589491158905420).

618820557454132 is a wasteful number, since it uses less digits than its factorization.

618820557454132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332117 (or 3332104 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 618820557454132 in words is "six hundred eighteen trillion, eight hundred twenty billion, five hundred fifty-seven million, four hundred fifty-four thousand, one hundred thirty-two".