154220220676 has 12 divisors (see below), whose sum is σ = 279191779020. Its totient is φ = 74451140960.

The previous prime is 154220220659. The next prime is 154220220703. The reversal of 154220220676 is 676022022451.

It can be written as a sum of positive squares in 2 ways, for example, as 104829603076 + 49390617600 = 323774^2 + 222240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664742215 + ... + 664742446.

It is an arithmetic number, because the mean of its divisors is an integer number (23265981585).

Almost surely, 2^154220220676 is an apocalyptic number.

It is an amenable number.

154220220676 is a deficient number, since it is larger than the sum of its proper divisors (124971558344).

154220220676 is a wasteful number, since it uses less digits than its factorization.

154220220676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329484694 (or 1329484692 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 154220220676 in words is "one hundred fifty-four billion, two hundred twenty million, two hundred twenty thousand, six hundred seventy-six".