154160227660609 has 4 divisors (see below), whose sum is σ = 154288587551620. Its totient is φ = 154031867769600.

The previous prime is 154160227660567. The next prime is 154160227660729. The reversal of 154160227660609 is 906066722061451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61849023292225 + 92311204368384 = 7864415^2 + 9607872^2 .

It is a cyclic number.

It is not a de Polignac number, because 154160227660609 - 2¹⁷ = 154160227529537 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 154160227660609.

It is not an unprimeable number, because it can be changed into a prime (154160227660409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64179943704 + ... + 64179946105.

It is an arithmetic number, because the mean of its divisors is an integer number (38572146887905).

Almost surely, 2^{154160227660609} is an apocalyptic number.

It is an amenable number.

154160227660609 is a deficient number, since it is larger than the sum of its proper divisors (128359891011).

154160227660609 is a wasteful number, since it uses less digits than its factorization.

154160227660609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128359891010.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 154160227660609 in words is "one hundred fifty-four trillion, one hundred sixty billion, two hundred twenty-seven million, six hundred sixty thousand, six hundred nine".