166026514423553 has 8 divisors (see below), whose sum is σ = 195865381071360. Its totient is φ = 137717846065440.

The previous prime is 166026514423507. The next prime is 166026514423571. The reversal of 166026514423553 is 355324415620661.

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 166026514423553 - 2⁴⁰ = 164927002795777 is a prime.

It is a super-2 number, since 2×166026514423553² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166026514423495 and 166026514423504.

It is not an unprimeable number, because it can be changed into a prime (166026574423553) 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, 382549572188 + ... + 382549572621.

It is an arithmetic number, because the mean of its divisors is an integer number (24483172633920).

Almost surely, 2^{166026514423553} is an apocalyptic number.

It is an amenable number.

166026514423553 is a deficient number, since it is larger than the sum of its proper divisors (29838866647807).

166026514423553 is an equidigital number, since it uses as much as digits as its factorization.

166026514423553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765099144847.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 166026514423553 in words is "one hundred sixty-six trillion, twenty-six billion, five hundred fourteen million, four hundred twenty-three thousand, five hundred fifty-three".