618783740112152 has 16 divisors (see below), whose sum is σ = 1191576796838160. Its totient is φ = 301029927621984.

The previous prime is 618783740112137. The next prime is 618783740112157. The reversal of 618783740112152 is 251211047387816.

It is a super-2 number, since 2×618783740112152² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618783740112157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045242803948 + ... + 1045242804539.

It is an arithmetic number, because the mean of its divisors is an integer number (74473549802385).

Almost surely, 2^{618783740112152} is an apocalyptic number.

It is an amenable number.

618783740112152 is a deficient number, since it is larger than the sum of its proper divisors (572793056726008).

618783740112152 is a wasteful number, since it uses less digits than its factorization.

618783740112152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090485608530 (or 2090485608526 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

Adding to 618783740112152 its reverse (251211047387816), we get a palindrome (869994787499968).

The spelling of 618783740112152 in words is "six hundred eighteen trillion, seven hundred eighty-three billion, seven hundred forty million, one hundred twelve thousand, one hundred fifty-two".