166605050 has 36 divisors (see below), whose sum is σ = 314786958. Its totient is φ = 65604000.

The previous prime is 166605037. The next prime is 166605059. The reversal of 166605050 is 50506661.

It can be written as a sum of positive squares in 3 ways, for example, as 143976001 + 22629049 = 11999^2 + 4757^2 .

It is not an unprimeable number, because it can be changed into a prime (166605059) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 251720 + ... + 252380.

Almost surely, 2^166605050 is an apocalyptic number.

166605050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166605050 is a deficient number, since it is larger than the sum of its proper divisors (148181908).

166605050 is an equidigital number, since it uses as much as digits as its factorization.

166605050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 166605050 is about 12907.5578635155. The cubic root of 166605050 is about 550.2533818731.

It can be divided in two parts, 16 and 6605050, that added together give a palindrome (6605066).

The spelling of 166605050 in words is "one hundred sixty-six million, six hundred five thousand, fifty".