59666861 has 8 divisors (see below), whose sum is σ = 60470904. Its totient is φ = 58867200.

The previous prime is 59666851. The next prime is 59666863. The reversal of 59666861 is 16866695.

It can be written as a sum of positive squares in 4 ways, for example, as 3880900 + 55785961 = 1970^2 + 7469^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59666861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59666863) 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, 33161 + ... + 34913.

It is an arithmetic number, because the mean of its divisors is an integer number (7558863).

Almost surely, 2^59666861 is an apocalyptic number.

It is an amenable number.

59666861 is a deficient number, since it is larger than the sum of its proper divisors (804043).

59666861 is a wasteful number, since it uses less digits than its factorization.

59666861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 466560, while the sum is 47.

The square root of 59666861 is about 7724.4327299809. The cubic root of 59666861 is about 390.7608661544.

The spelling of 59666861 in words is "fifty-nine million, six hundred sixty-six thousand, eight hundred sixty-one".