59666865444 has 36 divisors (see below), whose sum is σ = 152317898460. Its totient is φ = 19692033600.

The previous prime is 59666865439. The next prime is 59666865463. The reversal of 59666865444 is 44456866695.

It can be written as a sum of positive squares in 2 ways, for example, as 52587662400 + 7079203044 = 229320^2 + 84138^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8201379 + ... + 8208650.

It is an arithmetic number, because the mean of its divisors is an integer number (4231052735).

Almost surely, 2^59666865444 is an apocalyptic number.

It is an amenable number.

59666865444 is an abundant number, since it is smaller than the sum of its proper divisors (92651033016).

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

59666865444 is a wasteful number, since it uses less digits than its factorization.

59666865444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410140 (or 16410135 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 63.

The spelling of 59666865444 in words is "fifty-nine billion, six hundred sixty-six million, eight hundred sixty-five thousand, four hundred forty-four".