66035052534620 has 48 divisors (see below), whose sum is σ = 149463928740000. Its totient is φ = 24362072407296.

The previous prime is 66035052534617. The next prime is 66035052534623. The reversal of 66035052534620 is 2643525053066.

It is an interprime number because it is at equal distance from previous prime (66035052534617) and next prime (66035052534623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66035052534623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104375870 + ... + 105006629.

It is an arithmetic number, because the mean of its divisors is an integer number (3113831848750).

Almost surely, 2^{66035052534620} is an apocalyptic number.

It is an amenable number.

66035052534620 is an abundant number, since it is smaller than the sum of its proper divisors (83428876205380).

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

66035052534620 is a wasteful number, since it uses less digits than its factorization.

66035052534620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209383734 (or 209383732 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 66035052534620 its reverse (2643525053066), we get a palindrome (68678577587686).

The spelling of 66035052534620 in words is "sixty-six trillion, thirty-five billion, fifty-two million, five hundred thirty-four thousand, six hundred twenty".