618203412 has 36 divisors (see below), whose sum is σ = 1600798836. Its totient is φ = 201041280.

The previous prime is 618203393. The next prime is 618203423. The reversal of 618203412 is 214302816.

618203412 is a `hidden beast` number, since 618 + 2 + 0 + 3 + 41 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 340181136 + 278022276 = 18444^2 + 16674^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207943 + ... + 210894.

Almost surely, 2^618203412 is an apocalyptic number.

It is an amenable number.

618203412 is an abundant number, since it is smaller than the sum of its proper divisors (982595424).

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

618203412 is a wasteful number, since it uses less digits than its factorization.

618203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418888 (or 418883 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 618203412 is about 24863.6966680339. The cubic root of 618203412 is about 851.8774703116.

The spelling of 618203412 in words is "six hundred eighteen million, two hundred three thousand, four hundred twelve".