554217147666464 has 12 divisors (see below), whose sum is σ = 1091115009468414. Its totient is φ = 277108573833216.

The previous prime is 554217147666419. The next prime is 554217147666493. The reversal of 554217147666464 is 464666741712455.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 499180156675600 + 55036990990864 = 22342340^2 + 7418692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 554217147666394 and 554217147666403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8659642932257 + ... + 8659642932320.

Almost surely, 2^{554217147666464} is an apocalyptic number.

It is an amenable number.

554217147666464 is a deficient number, since it is larger than the sum of its proper divisors (536897861801950).

554217147666464 is a wasteful number, since it uses less digits than its factorization.

554217147666464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17319285864587 (or 17319285864579 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 68.

The spelling of 554217147666464 in words is "five hundred fifty-four trillion, two hundred seventeen billion, one hundred forty-seven million, six hundred sixty-six thousand, four hundred sixty-four".