618960964 has 12 divisors (see below), whose sum is σ = 1083600784. Its totient is φ = 309360744.

The previous prime is 618960893. The next prime is 618961033. The reversal of 618960964 is 469069816.

It is a super-2 number, since 2×618960964² = 766225349911618592, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17754 + ... + 39409.

Almost surely, 2^618960964 is an apocalyptic number.

It is an amenable number.

618960964 is a deficient number, since it is larger than the sum of its proper divisors (464639820).

618960964 is a wasteful number, since it uses less digits than its factorization.

618960964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59874 (or 59872 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 618960964 is about 24878.9261022256. The cubic root of 618960964 is about 852.2252943696.

The spelling of 618960964 in words is "six hundred eighteen million, nine hundred sixty thousand, nine hundred sixty-four".