102312166 has 32 divisors (see below), whose sum is σ = 170696448. Its totient is φ = 45606240.

The previous prime is 102312163. The next prime is 102312167. The reversal of 102312166 is 661213201.

It is a super-2 number, since 2×102312166² = 20935558623223112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369220 + ... + 369496.

It is an arithmetic number, because the mean of its divisors is an integer number (5334264).

Almost surely, 2^102312166 is an apocalyptic number.

102312166 is a deficient number, since it is larger than the sum of its proper divisors (68384282).

102312166 is a wasteful number, since it uses less digits than its factorization.

102312166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102312166 is about 10114.9476518665. The cubic root of 102312166 is about 467.7090351761.

Adding to 102312166 its reverse (661213201), we get a palindrome (763525367).

The spelling of 102312166 in words is "one hundred two million, three hundred twelve thousand, one hundred sixty-six".