1673211550161 has 32 divisors (see below), whose sum is σ = 2387039777280. Its totient is φ = 1038832793856.

The previous prime is 1673211550147. The next prime is 1673211550163. The reversal of 1673211550161 is 1610551123761.

It is not a de Polignac number, because 1673211550161 - 2²² = 1673207355857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1673211550163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4509090 + ... + 4866036.

It is an arithmetic number, because the mean of its divisors is an integer number (74594993040).

Almost surely, 2^{1673211550161} is an apocalyptic number.

It is an amenable number.

1673211550161 is a deficient number, since it is larger than the sum of its proper divisors (713828227119).

1673211550161 is a wasteful number, since it uses less digits than its factorization.

1673211550161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357933.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 1673211550161 in words is "one trillion, six hundred seventy-three billion, two hundred eleven million, five hundred fifty thousand, one hundred sixty-one".