618886252 has 6 divisors (see below), whose sum is σ = 1083050948. Its totient is φ = 309443124.

The previous prime is 618886249. The next prime is 618886273. The reversal of 618886252 is 252688816.

618886252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77360778 + ... + 77360785.

Almost surely, 2^618886252 is an apocalyptic number.

It is an amenable number.

618886252 is a deficient number, since it is larger than the sum of its proper divisors (464164696).

618886252 is a wasteful number, since it uses less digits than its factorization.

618886252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154721567 (or 154721565 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 618886252 is about 24877.4245451574. The cubic root of 618886252 is about 852.1910035598.

The spelling of 618886252 in words is "six hundred eighteen million, eight hundred eighty-six thousand, two hundred fifty-two".