618401533330956 has 24 divisors (see below), whose sum is σ = 1448261401560064. Its totient is φ = 205373202950160.

The previous prime is 618401533330927. The next prime is 618401533330961. The reversal of 618401533330956 is 659033335104816.

It is a junction number, because it is equal to n+sod(n) for n = 618401533330896 and 618401533330905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95080183300 + ... + 95080189803.

Almost surely, 2^{618401533330956} is an apocalyptic number.

It is an amenable number.

618401533330956 is an abundant number, since it is smaller than the sum of its proper divisors (829859868229108).

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

618401533330956 is a wasteful number, since it uses less digits than its factorization.

618401533330956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190160373381 (or 190160373379 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 57.

The spelling of 618401533330956 in words is "six hundred eighteen trillion, four hundred one billion, five hundred thirty-three million, three hundred thirty thousand, nine hundred fifty-six".