154001660917 has 8 divisors (see below), whose sum is σ = 165945927224. Its totient is φ = 142071392448.

The previous prime is 154001660873. The next prime is 154001660957. The reversal of 154001660917 is 719066100451.

It can be written as a sum of positive squares in 4 ways, for example, as 1828332081 + 152173328836 = 42759^2 + 390094^2 .

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 154001660917 - 2¹¹ = 154001658869 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 154001660917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154001660957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476598 + ... + 3520615.

It is an arithmetic number, because the mean of its divisors is an integer number (20743240903).

Almost surely, 2^154001660917 is an apocalyptic number.

It is an amenable number.

154001660917 is a deficient number, since it is larger than the sum of its proper divisors (11944266307).

154001660917 is a wasteful number, since it uses less digits than its factorization.

154001660917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998919.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 154001660917 in words is "one hundred fifty-four billion, one million, six hundred sixty thousand, nine hundred seventeen".