618411628 has 12 divisors (see below), whose sum is σ = 1085680120. Its totient is φ = 308217312.

The previous prime is 618411623. The next prime is 618411637. The reversal of 618411628 is 826114816.

618411628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×618411628² = 764865883291220768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (618411623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245718 + ... + 248221.

Almost surely, 2^618411628 is an apocalyptic number.

It is an amenable number.

618411628 is a deficient number, since it is larger than the sum of its proper divisors (467268492).

618411628 is a wasteful number, since it uses less digits than its factorization.

618411628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494256 (or 494254 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 618411628 is about 24867.8834644205. The cubic root of 618411628 is about 851.9730993586.

The spelling of 618411628 in words is "six hundred eighteen million, four hundred eleven thousand, six hundred twenty-eight".