66032125553361 has 16 divisors (see below), whose sum is σ = 96944361055488. Its totient is φ = 39645456291600.

The previous prime is 66032125553351. The next prime is 66032125553369. The reversal of 66032125553361 is 16335552123066.

It is not a de Polignac number, because 66032125553361 - 2³³ = 66023535618769 is a prime.

It is a super-3 number, since 3×66032125553361³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66032125553361.

It is not an unprimeable number, because it can be changed into a prime (66032125553369) 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, 9350339935 + ... + 9350346996.

It is an arithmetic number, because the mean of its divisors is an integer number (6059022565968).

Almost surely, 2^{66032125553361} is an apocalyptic number.

It is an amenable number.

66032125553361 is a deficient number, since it is larger than the sum of its proper divisors (30912235502127).

66032125553361 is a wasteful number, since it uses less digits than its factorization.

66032125553361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18700687052.

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 66032125553361 in words is "sixty-six trillion, thirty-two billion, one hundred twenty-five million, five hundred fifty-three thousand, three hundred sixty-one".