166525662 has 32 divisors (see below), whose sum is σ = 337588992. Its totient is φ = 54756864.

The previous prime is 166525651. The next prime is 166525673. The reversal of 166525662 is 266525661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166525651) and next prime (166525673).

It is a super-2 number, since 2×166525662² = 55461592209076488, 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 166525662.

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 15 ways as a sum of consecutive naturals, for example, 288318 + ... + 288894.

It is an arithmetic number, because the mean of its divisors is an integer number (10549656).

Almost surely, 2^166525662 is an apocalyptic number.

166525662 is an abundant number, since it is smaller than the sum of its proper divisors (171063330).

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

166525662 is a wasteful number, since it uses less digits than its factorization.

166525662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

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

The square root of 166525662 is about 12904.4822445536. The cubic root of 166525662 is about 550.1659686449.

Subtracting 166525662 from its reverse (266525661), we obtain a palindrome (99999999).

The spelling of 166525662 in words is "one hundred sixty-six million, five hundred twenty-five thousand, six hundred sixty-two".