61058616 has 32 divisors (see below), whose sum is σ = 153162240. Its totient is φ = 20284128.

The previous prime is 61058531. The next prime is 61058653. The reversal of 61058616 is 61685016.

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, 3225 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (4786320).

Almost surely, 2^61058616 is an apocalyptic number.

It is an amenable number.

61058616 is an abundant number, since it is smaller than the sum of its proper divisors (92103624).

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

61058616 is a wasteful number, since it uses less digits than its factorization.

61058616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 61058616 is about 7814.0012797542. The cubic root of 61058616 is about 393.7757663159.

The spelling of 61058616 in words is "sixty-one million, fifty-eight thousand, six hundred sixteen".