166196105750 has 16 divisors (see below), whose sum is σ = 311119110432. Its totient is φ = 66478442200.

The previous prime is 166196105741. The next prime is 166196105813. The reversal of 166196105750 is 57501691661.

It is a happy number.

It is a super-2 number, since 2×166196105750² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166196105695 and 166196105704.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 332391962 + ... + 332392461.

It is an arithmetic number, because the mean of its divisors is an integer number (19444944402).

Almost surely, 2^166196105750 is an apocalyptic number.

166196105750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166196105750 is a deficient number, since it is larger than the sum of its proper divisors (144923004682).

166196105750 is an equidigital number, since it uses as much as digits as its factorization.

166196105750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664784440 (or 664784430 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 166196105750 in words is "one hundred sixty-six billion, one hundred ninety-six million, one hundred five thousand, seven hundred fifty".