133165426505657 has 8 divisors (see below), whose sum is σ = 163895909545536. Its totient is φ = 105361656136272.

The previous prime is 133165426505623. The next prime is 133165426505677. The reversal of 133165426505657 is 756505624561331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133165426505657 - 2¹² = 133165426501561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133165426505596 and 133165426505605.

It is not an unprimeable number, because it can be changed into a prime (133165426505677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731678167523 + ... + 731678167704.

It is an arithmetic number, because the mean of its divisors is an integer number (20486988693192).

Almost surely, 2^{133165426505657} is an apocalyptic number.

It is an amenable number.

133165426505657 is a deficient number, since it is larger than the sum of its proper divisors (30730483039879).

133165426505657 is a wasteful number, since it uses less digits than its factorization.

133165426505657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463356335247.

The product of its (nonzero) digits is 68040000, while the sum is 59.

The spelling of 133165426505657 in words is "one hundred thirty-three trillion, one hundred sixty-five billion, four hundred twenty-six million, five hundred five thousand, six hundred fifty-seven".