36666585426436 has 81 divisors (see below), whose sum is σ = 74876224338279. Its totient is φ = 15665239347408.

The previous prime is 36666585426413. The next prime is 36666585426467. The reversal of 36666585426436 is 63462458566663.

The square root of 36666585426436 is 6055294.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44336862255 + ... + 44336863081.

Almost surely, 2^{36666585426436} is an apocalyptic number.

36666585426436 is the 6055294-th square number.

It is an amenable number.

36666585426436 is an abundant number, since it is smaller than the sum of its proper divisors (38209638911843).

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

36666585426436 is an frugal number, since it uses more digits than its factorization.

36666585426436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 1359 counting only the distinct ones).

The product of its digits is 2687385600, while the sum is 70.

The spelling of 36666585426436 in words is "thirty-six trillion, six hundred sixty-six billion, five hundred eighty-five million, four hundred twenty-six thousand, four hundred thirty-six".