618220676 has 12 divisors (see below), whose sum is σ = 1084331472. Its totient is φ = 308411688.

The previous prime is 618220661. The next prime is 618220699. The reversal of 618220676 is 676022816.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172670 + ... + 176213.

It is an arithmetic number, because the mean of its divisors is an integer number (90360956).

Almost surely, 2^618220676 is an apocalyptic number.

It is an amenable number.

618220676 is a deficient number, since it is larger than the sum of its proper divisors (466110796).

618220676 is a wasteful number, since it uses less digits than its factorization.

618220676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349330 (or 349328 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 618220676 is about 24864.0438384427. The cubic root of 618220676 is about 851.8854001049.

The spelling of 618220676 in words is "six hundred eighteen million, two hundred twenty thousand, six hundred seventy-six".