618436485 has 16 divisors (see below), whose sum is σ = 1099442880. Its totient is φ = 329832720.

The previous prime is 618436477. The next prime is 618436501. The reversal of 618436485 is 584634816.

618436485 is a `hidden beast` number, since 61 + 84 + 36 + 485 = 666.

618436485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 618436485 - 2³ = 618436477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 618436485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290371 + ... + 2290640.

It is an arithmetic number, because the mean of its divisors is an integer number (68715180).

Almost surely, 2^618436485 is an apocalyptic number.

It is an amenable number.

618436485 is a deficient number, since it is larger than the sum of its proper divisors (481006395).

618436485 is a wasteful number, since it uses less digits than its factorization.

618436485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581025 (or 4581019 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 618436485 is about 24868.3832405728. The cubic root of 618436485 is about 851.9845141998.

The spelling of 618436485 in words is "six hundred eighteen million, four hundred thirty-six thousand, four hundred eighty-five".