66652364135 has 64 divisors (see below), whose sum is σ = 98312724480. Its totient is φ = 42365980800.

The previous prime is 66652364131. The next prime is 66652364143. The reversal of 66652364135 is 53146325666.

It is not a de Polignac number, because 66652364135 - 2² = 66652364131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66652364135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66652364131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6722852 + ... + 6732758.

It is an arithmetic number, because the mean of its divisors is an integer number (1536136320).

Almost surely, 2^66652364135 is an apocalyptic number.

66652364135 is a deficient number, since it is larger than the sum of its proper divisors (31660360345).

66652364135 is a wasteful number, since it uses less digits than its factorization.

66652364135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156.

The product of its digits is 2332800, while the sum is 47.

The spelling of 66652364135 in words is "sixty-six billion, six hundred fifty-two million, three hundred sixty-four thousand, one hundred thirty-five".