154043661164 has 24 divisors (see below), whose sum is σ = 272335987728. Its totient is φ = 76233886400.

The previous prime is 154043661137. The next prime is 154043661197. The reversal of 154043661164 is 461166340451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183694 + ... + 1307370.

It is an arithmetic number, because the mean of its divisors is an integer number (11347332822).

Almost surely, 2^154043661164 is an apocalyptic number.

It is an amenable number.

154043661164 is a deficient number, since it is larger than the sum of its proper divisors (118292326564).

154043661164 is a wasteful number, since it uses less digits than its factorization.

154043661164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126865 (or 126863 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 154043661164 in words is "one hundred fifty-four billion, forty-three million, six hundred sixty-one thousand, one hundred sixty-four".