102052166 has 4 divisors (see below), whose sum is σ = 153078252. Its totient is φ = 51026082.

The previous prime is 102052151. The next prime is 102052169. The reversal of 102052166 is 661250201.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102052169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25513040 + ... + 25513043.

It is an arithmetic number, because the mean of its divisors is an integer number (38269563).

Almost surely, 2^102052166 is an apocalyptic number.

102052166 is a deficient number, since it is larger than the sum of its proper divisors (51026086).

102052166 is an equidigital number, since it uses as much as digits as its factorization.

102052166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51026085.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102052166 is about 10102.0872100769. The cubic root of 102052166 is about 467.3125117769.

The spelling of 102052166 in words is "one hundred two million, fifty-two thousand, one hundred sixty-six".