166526652 has 24 divisors (see below), whose sum is σ = 388962000. Its totient is φ = 55451776.

The previous prime is 166526641. The next prime is 166526749. The reversal of 166526652 is 256625661.

It is a happy number.

It is a super-2 number, since 2×166526652² = 55462251652658208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166526652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974 + ... + 19202.

It is an arithmetic number, because the mean of its divisors is an integer number (16206750).

Almost surely, 2^166526652 is an apocalyptic number.

166526652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166526652 is an abundant number, since it is smaller than the sum of its proper divisors (222435348).

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

166526652 is a wasteful number, since it uses less digits than its factorization.

166526652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285 (or 14283 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 166526652 is about 12904.5206032615. The cubic root of 166526652 is about 550.1670588937.

Subtracting 166526652 from its reverse (256625661), we obtain a palindrome (90099009).

The spelling of 166526652 in words is "one hundred sixty-six million, five hundred twenty-six thousand, six hundred fifty-two".