61606416 has 40 divisors (see below), whose sum is σ = 161400384. Its totient is φ = 20245120.

The previous prime is 61606409. The next prime is 61606421. The reversal of 61606416 is 61460616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5631 + ... + 12446.

Almost surely, 2^61606416 is an apocalyptic number.

It is an amenable number.

61606416 is an abundant number, since it is smaller than the sum of its proper divisors (99793968).

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

61606416 is a wasteful number, since it uses less digits than its factorization.

61606416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18159 (or 18153 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61606416 is about 7848.9754745444. The cubic root of 61606416 is about 394.9498756030.

The spelling of 61606416 in words is "sixty-one million, six hundred six thousand, four hundred sixteen".