154849664593504 has 48 divisors (see below), whose sum is σ = 305065540806768. Its totient is φ = 77372708718592.

The previous prime is 154849664593501. The next prime is 154849664593541. The reversal of 154849664593504 is 405395466948451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154849664593501) 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 7 ways as a sum of consecutive naturals, for example, 780483564 + ... + 780681940.

It is an arithmetic number, because the mean of its divisors is an integer number (6355532100141).

Almost surely, 2^{154849664593504} is an apocalyptic number.

It is an amenable number.

154849664593504 is a deficient number, since it is larger than the sum of its proper divisors (150215876213264).

154849664593504 is a wasteful number, since it uses less digits than its factorization.

154849664593504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214687 (or 214679 counting only the distinct ones).

The product of its (nonzero) digits is 2239488000, while the sum is 73.

The spelling of 154849664593504 in words is "one hundred fifty-four trillion, eight hundred forty-nine billion, six hundred sixty-four million, five hundred ninety-three thousand, five hundred four".