61600647 has 8 divisors (see below), whose sum is σ = 85705344. Its totient is φ = 39281528.

The previous prime is 61600631. The next prime is 61600657. The reversal of 61600647 is 74600616.

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 61600647 - 2⁴ = 61600631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61600657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446313 + ... + 446450.

It is an arithmetic number, because the mean of its divisors is an integer number (10713168).

Almost surely, 2^61600647 is an apocalyptic number.

61600647 is a deficient number, since it is larger than the sum of its proper divisors (24104697).

61600647 is a wasteful number, since it uses less digits than its factorization.

61600647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892789.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 61600647 is about 7848.6079657478. The cubic root of 61600647 is about 394.9375471416.

The spelling of 61600647 in words is "sixty-one million, six hundred thousand, six hundred forty-seven".