66036465444104 has 8 divisors (see below), whose sum is σ = 123818372707710. Its totient is φ = 33018232722048.

The previous prime is 66036465444031. The next prime is 66036465444121. The reversal of 66036465444104 is 40144456463066.

It can be written as a sum of positive squares in only one way, i.e., 33802572744004 + 32233892700100 = 5813998^2 + 5677490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127279090249 + ... + 4127279090264.

Almost surely, 2^{66036465444104} is an apocalyptic number.

It is an amenable number.

66036465444104 is a deficient number, since it is larger than the sum of its proper divisors (57781907263606).

66036465444104 is a wasteful number, since it uses less digits than its factorization.

66036465444104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254558180519 (or 8254558180515 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 53.

The spelling of 66036465444104 in words is "sixty-six trillion, thirty-six billion, four hundred sixty-five million, four hundred forty-four thousand, one hundred four".