133268870164 has 24 divisors (see below), whose sum is σ = 235575232200. Its totient is φ = 65961916800.

The previous prime is 133268870143. The next prime is 133268870179. The reversal of 133268870164 is 461078862331.

It can be written as a sum of positive squares in 4 ways, for example, as 12611290000 + 120657580164 = 112300^2 + 347358^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2261182 + ... + 2319370.

It is an arithmetic number, because the mean of its divisors is an integer number (9815634675).

Almost surely, 2^133268870164 is an apocalyptic number.

It is an amenable number.

133268870164 is a deficient number, since it is larger than the sum of its proper divisors (102306362036).

133268870164 is a wasteful number, since it uses less digits than its factorization.

133268870164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63963 (or 63961 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 133268870164 in words is "one hundred thirty-three billion, two hundred sixty-eight million, eight hundred seventy thousand, one hundred sixty-four".