61585669 has 8 divisors (see below), whose sum is σ = 65435040. Its totient is φ = 57797136.

The previous prime is 61585633. The next prime is 61585691. The reversal of 61585669 is 96658516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61585669 - 2⁷ = 61585541 is a prime.

It is a super-2 number, since 2×61585669² = 7585589252355122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61585609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13114 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (8179380).

Almost surely, 2^61585669 is an apocalyptic number.

It is an amenable number.

61585669 is a deficient number, since it is larger than the sum of its proper divisors (3849371).

61585669 is a wasteful number, since it uses less digits than its factorization.

61585669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30419.

The product of its digits is 388800, while the sum is 46.

The square root of 61585669 is about 7847.6537257960. The cubic root of 61585669 is about 394.9055352805.

The spelling of 61585669 in words is "sixty-one million, five hundred eighty-five thousand, six hundred sixty-nine".