166716553324 has 12 divisors (see below), whose sum is σ = 291757329864. Its totient is φ = 83357316224.

The previous prime is 166716553319. The next prime is 166716553351. The reversal of 166716553324 is 423355617661.

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, 271644 + ... + 638140.

It is an arithmetic number, because the mean of its divisors is an integer number (24313110822).

Almost surely, 2^166716553324 is an apocalyptic number.

It is an amenable number.

166716553324 is a deficient number, since it is larger than the sum of its proper divisors (125040776540).

166716553324 is a wasteful number, since it uses less digits than its factorization.

166716553324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480224 (or 480222 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The spelling of 166716553324 in words is "one hundred sixty-six billion, seven hundred sixteen million, five hundred fifty-three thousand, three hundred twenty-four".