166350063553 has 8 divisors (see below), whose sum is σ = 169429507200. Its totient is φ = 163294963728.

The previous prime is 166350063469. The next prime is 166350063571. The reversal of 166350063553 is 355360053661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166350063553 - 2¹⁷ = 166349932481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166350063353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6072163 + ... + 6099496.

It is an arithmetic number, because the mean of its divisors is an integer number (21178688400).

Almost surely, 2^166350063553 is an apocalyptic number.

It is an amenable number.

166350063553 is a deficient number, since it is larger than the sum of its proper divisors (3079443647).

166350063553 is a wasteful number, since it uses less digits than its factorization.

166350063553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171911.

The product of its (nonzero) digits is 729000, while the sum is 43.

The spelling of 166350063553 in words is "one hundred sixty-six billion, three hundred fifty million, sixty-three thousand, five hundred fifty-three".