6121616 has 10 divisors (see below), whose sum is σ = 11860662. Its totient is φ = 3060800.

The previous prime is 6121607. The next prime is 6121627. The reversal of 6121616 is 6161216.

It can be written as a sum of positive squares in only one way, i.e., 3625216 + 2496400 = 1904^2 + 1580^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6121591 and 6121600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191285 + ... + 191316.

Almost surely, 2^6121616 is an apocalyptic number.

It is an amenable number.

6121616 is a deficient number, since it is larger than the sum of its proper divisors (5739046).

6121616 is a wasteful number, since it uses less digits than its factorization.

6121616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382609 (or 382603 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 6121616 is about 2474.1899684543. The cubic root of 6121616 is about 182.9315838094.

The spelling of 6121616 in words is "six million, one hundred twenty-one thousand, six hundred sixteen".