66652264025435 has 48 divisors (see below), whose sum is σ = 91806744133440. Its totient is φ = 46331679820800.

The previous prime is 66652264025411. The next prime is 66652264025491. The reversal of 66652264025435 is 53452046225666.

It is a de Polignac number, because none of the positive numbers 2^k-66652264025435 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16568711 + ... + 20194719.

It is an arithmetic number, because the mean of its divisors is an integer number (1912640502780).

Almost surely, 2^{66652264025435} is an apocalyptic number.

66652264025435 is a deficient number, since it is larger than the sum of its proper divisors (25154480108005).

66652264025435 is a wasteful number, since it uses less digits than its factorization.

66652264025435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627380 (or 3627369 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 66652264025435 in words is "sixty-six trillion, six hundred fifty-two billion, two hundred sixty-four million, twenty-five thousand, four hundred thirty-five".