163490472133 has 16 divisors (see below), whose sum is σ = 171017784000. Its totient is φ = 156152506752.

The previous prime is 163490472127. The next prime is 163490472179. The reversal of 163490472133 is 331274094361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163490472133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163490472133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163490479133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279138 + ... + 636316.

It is an arithmetic number, because the mean of its divisors is an integer number (10688611500).

Almost surely, 2^163490472133 is an apocalyptic number.

It is an amenable number.

163490472133 is a deficient number, since it is larger than the sum of its proper divisors (7527311867).

163490472133 is a wasteful number, since it uses less digits than its factorization.

163490472133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357444.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 163490472133 in words is "one hundred sixty-three billion, four hundred ninety million, four hundred seventy-two thousand, one hundred thirty-three".