61596667 has 8 divisors (see below), whose sum is σ = 69513840. Its totient is φ = 54065760.

The previous prime is 61596643. The next prime is 61596673. The reversal of 61596667 is 76669516.

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 61596667 - 2¹⁹ = 61072379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61596617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96228 + ... + 96865.

It is an arithmetic number, because the mean of its divisors is an integer number (8689230).

Almost surely, 2^61596667 is an apocalyptic number.

61596667 is a deficient number, since it is larger than the sum of its proper divisors (7917173).

61596667 is a wasteful number, since it uses less digits than its factorization.

61596667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193133.

The product of its digits is 408240, while the sum is 46.

The square root of 61596667 is about 7848.3544135061. The cubic root of 61596667 is about 394.9290413582.

The spelling of 61596667 in words is "sixty-one million, five hundred ninety-six thousand, six hundred sixty-seven".