154560968791 has 4 divisors (see below), whose sum is σ = 159890657400. Its totient is φ = 149231280184.

The previous prime is 154560968707. The next prime is 154560968803. The reversal of 154560968791 is 197869065451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154560968791 - 2²⁹ = 154024097879 is a prime.

It is a super-2 number, since 2×154560968791² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154560962791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664844261 + ... + 2664844318.

It is an arithmetic number, because the mean of its divisors is an integer number (39972664350).

Almost surely, 2^154560968791 is an apocalyptic number.

154560968791 is a deficient number, since it is larger than the sum of its proper divisors (5329688609).

154560968791 is an equidigital number, since it uses as much as digits as its factorization.

154560968791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329688608.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 154560968791 in words is "one hundred fifty-four billion, five hundred sixty million, nine hundred sixty-eight thousand, seven hundred ninety-one".