133165600545 has 32 divisors (see below), whose sum is σ = 219253847040. Its totient is φ = 68966242560.

The previous prime is 133165600507. The next prime is 133165600549. The reversal of 133165600545 is 545006561331.

It is not a de Polignac number, because 133165600545 - 2¹⁸ = 133165338401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133165600549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46800 + ... + 518190.

It is an arithmetic number, because the mean of its divisors is an integer number (6851682720).

Almost surely, 2^133165600545 is an apocalyptic number.

133165600545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133165600545 is a deficient number, since it is larger than the sum of its proper divisors (86088246495).

133165600545 is a wasteful number, since it uses less digits than its factorization.

133165600545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471945.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 133165600545 in words is "one hundred thirty-three billion, one hundred sixty-five million, six hundred thousand, five hundred forty-five".