154548668197 has 24 divisors (see below), whose sum is σ = 196671395520. Its totient is φ = 120091930560.

The previous prime is 154548668167. The next prime is 154548668207. The reversal of 154548668197 is 791866845451.

It is not a de Polignac number, because 154548668197 - 2¹⁵ = 154548635429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154548668167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205848 + ... + 592849.

It is an arithmetic number, because the mean of its divisors is an integer number (8194641480).

Almost surely, 2^154548668197 is an apocalyptic number.

It is an amenable number.

154548668197 is a deficient number, since it is larger than the sum of its proper divisors (42122727323).

154548668197 is a wasteful number, since it uses less digits than its factorization.

154548668197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799081 (or 799074 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 64.

The spelling of 154548668197 in words is "one hundred fifty-four billion, five hundred forty-eight million, six hundred sixty-eight thousand, one hundred ninety-seven".