166502046 has 32 divisors (see below), whose sum is σ = 353652480. Its totient is φ = 52078976.

The previous prime is 166502027. The next prime is 166502047. The reversal of 166502046 is 640205661.

It is a super-2 number, since 2×166502046² = 55445862644372232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166502047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34345 + ... + 38891.

It is an arithmetic number, because the mean of its divisors is an integer number (11051640).

Almost surely, 2^166502046 is an apocalyptic number.

166502046 is an abundant number, since it is smaller than the sum of its proper divisors (187150434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166502046 is a wasteful number, since it uses less digits than its factorization.

166502046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 166502046 is about 12903.5671812100. The cubic root of 166502046 is about 550.1399599733.

The spelling of 166502046 in words is "one hundred sixty-six million, five hundred two thousand, forty-six".