618151323076 has 81 divisors (see below), whose sum is σ = 1274697558477. Its totient is φ = 261530216640.

The previous prime is 618151323047. The next prime is 618151323077. The reversal of 618151323076 is 670323151816.

The square root of 618151323076 is 786226.

It is a perfect power (a square), and thus also a powerful number.

618151323076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118698164676 + 499453158400 = 344526^2 + 706720^2 .

It is a super-2 number, since 2×618151323076² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (618151323077) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 979637281 + ... + 979637911.

Almost surely, 2^618151323076 is an apocalyptic number.

618151323076 is the 786226-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618151323076

618151323076 is an abundant number, since it is smaller than the sum of its proper divisors (656546235401).

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

618151323076 is an frugal number, since it uses more digits than its factorization.

618151323076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 618151323076 in words is "six hundred eighteen billion, one hundred fifty-one million, three hundred twenty-three thousand, seventy-six".