133266533645641 has 6 divisors (see below), whose sum is σ = 146483049379226. Its totient is φ = 121151394223200.

The previous prime is 133266533645599. The next prime is 133266533645657. The reversal of 133266533645641 is 146546335662331.

It can be written as a sum of positive squares in only one way, i.e., 93242121190416 + 40024412455225 = 9656196^2 + 6326485^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133266533645641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133266533645681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550688155440 + ... + 550688155681.

Almost surely, 2^{133266533645641} is an apocalyptic number.

133266533645641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133266533645641 is a deficient number, since it is larger than the sum of its proper divisors (13216515733585).

133266533645641 is a wasteful number, since it uses less digits than its factorization.

133266533645641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101376311143 (or 1101376311132 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 58.

The spelling of 133266533645641 in words is "one hundred thirty-three trillion, two hundred sixty-six billion, five hundred thirty-three million, six hundred forty-five thousand, six hundred forty-one".