154553168641 has 8 divisors (see below), whose sum is σ = 155465934120. Its totient is φ = 153640626432.

The previous prime is 154553168633. The next prime is 154553168689. The reversal of 154553168641 is 146861355451.

It can be written as a sum of positive squares in 4 ways, for example, as 21963240000 + 132589928641 = 148200^2 + 364129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154553168641 - 2³ = 154553168633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154553168041) by changing a digit.

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, 1452505 + ... + 1555273.

It is an arithmetic number, because the mean of its divisors is an integer number (19433241765).

Almost surely, 2^154553168641 is an apocalyptic number.

It is an amenable number.

154553168641 is a deficient number, since it is larger than the sum of its proper divisors (912765479).

154553168641 is a wasteful number, since it uses less digits than its factorization.

154553168641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111635.

The product of its digits is 1728000, while the sum is 49.

The spelling of 154553168641 in words is "one hundred fifty-four billion, five hundred fifty-three million, one hundred sixty-eight thousand, six hundred forty-one".