133531555536166 has 16 divisors (see below), whose sum is σ = 200904679963728. Its totient is φ = 66563333337600.

The previous prime is 133531555536101. The next prime is 133531555536217. The reversal of 133531555536166 is 661635555135331.

It is a self number, because there is not a number n which added to its sum of digits gives 133531555536166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61532826 + ... + 63665938.

It is an arithmetic number, because the mean of its divisors is an integer number (12556542497733).

Almost surely, 2^{133531555536166} is an apocalyptic number.

133531555536166 is a deficient number, since it is larger than the sum of its proper divisors (67373124427562).

133531555536166 is a wasteful number, since it uses less digits than its factorization.

133531555536166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228007.

The product of its digits is 54675000, while the sum is 58.

The spelling of 133531555536166 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, five hundred fifty-five million, five hundred thirty-six thousand, one hundred sixty-six".