618906288958 has 16 divisors (see below), whose sum is σ = 949689405504. Its totient is φ = 302365065600.

The previous prime is 618906288953. The next prime is 618906288977. The reversal of 618906288958 is 859882609816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618906288953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5421135 + ... + 5534122.

It is an arithmetic number, because the mean of its divisors is an integer number (59355587844).

Almost surely, 2^618906288958 is an apocalyptic number.

618906288958 is a deficient number, since it is larger than the sum of its proper divisors (330783116546).

618906288958 is a wasteful number, since it uses less digits than its factorization.

618906288958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955907.

The product of its (nonzero) digits is 119439360, while the sum is 70.

The spelling of 618906288958 in words is "six hundred eighteen billion, nine hundred six million, two hundred eighty-eight thousand, nine hundred fifty-eight".