61804616 has 16 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 30838864.

The previous prime is 61804573. The next prime is 61804637. The reversal of 61804616 is 61640816.

It is a happy number.

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, 3656 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2^61804616 is an apocalyptic number.

It is an amenable number.

61804616 is a deficient number, since it is larger than the sum of its proper divisors (54316984).

61804616 is a wasteful number, since it uses less digits than its factorization.

61804616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868 (or 15864 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61804616 is about 7861.5911875396. The cubic root of 61804616 is about 395.3729661063.

The spelling of 61804616 in words is "sixty-one million, eight hundred four thousand, six hundred sixteen".