616943268 has 36 divisors (see below), whose sum is σ = 1560253968. Its totient is φ = 205547760.

The previous prime is 616943189. The next prime is 616943273. The reversal of 616943268 is 862349616.

616943268 is a `hidden beast` number, since 616 + 9 + 4 + 3 + 26 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130555 + ... + 135197.

It is an arithmetic number, because the mean of its divisors is an integer number (43340388).

Almost surely, 2^616943268 is an apocalyptic number.

It is an amenable number.

616943268 is an abundant number, since it is smaller than the sum of its proper divisors (943310700).

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

616943268 is a wasteful number, since it uses less digits than its factorization.

616943268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344 (or 8339 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 616943268 is about 24838.3426983364. The cubic root of 616943268 is about 851.2982550740.

The spelling of 616943268 in words is "six hundred sixteen million, nine hundred forty-three thousand, two hundred sixty-eight".