66952536365 has 32 divisors (see below), whose sum is σ = 95078140416. Its totient is φ = 44619010560.

The previous prime is 66952536349. The next prime is 66952536367. The reversal of 66952536365 is 56363525966.

It is not a de Polignac number, because 66952536365 - 2⁴ = 66952536349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66952536365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66952536367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243797 + ... + 439706.

It is an arithmetic number, because the mean of its divisors is an integer number (2971191888).

Almost surely, 2^66952536365 is an apocalyptic number.

66952536365 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66952536365 is a deficient number, since it is larger than the sum of its proper divisors (28125604051).

66952536365 is a wasteful number, since it uses less digits than its factorization.

66952536365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683669.

The product of its digits is 26244000, while the sum is 56.

The spelling of 66952536365 in words is "sixty-six billion, nine hundred fifty-two million, five hundred thirty-six thousand, three hundred sixty-five".