154043661163 has 6 divisors (see below), whose sum is σ = 179193646716. Its totient is φ = 132037423812.

The previous prime is 154043661137. The next prime is 154043661197. The reversal of 154043661163 is 361166340451.

It is a de Polignac number, because none of the positive numbers 2^k-154043661163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154043661113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1571874045 + ... + 1571874142.

It is an arithmetic number, because the mean of its divisors is an integer number (29865607786).

Almost surely, 2^154043661163 is an apocalyptic number.

154043661163 is a deficient number, since it is larger than the sum of its proper divisors (25149985553).

154043661163 is an equidigital number, since it uses as much as digits as its factorization.

154043661163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143748201 (or 3143748194 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 154043661163 in words is "one hundred fifty-four billion, forty-three million, six hundred sixty-one thousand, one hundred sixty-three".