101665102 has 24 divisors (see below), whose sum is σ = 193524120. Its totient is φ = 39609360.

The previous prime is 101665099. The next prime is 101665121. The reversal of 101665102 is 201566101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46077 + ... + 48232.

It is an arithmetic number, because the mean of its divisors is an integer number (8063505).

Almost surely, 2^101665102 is an apocalyptic number.

101665102 is a deficient number, since it is larger than the sum of its proper divisors (91859018).

101665102 is a wasteful number, since it uses less digits than its factorization.

101665102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94336 (or 94329 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 101665102 is about 10082.9113851109. The cubic root of 101665102 is about 466.7209547954.

Subtracting 101665102 from its reverse (201566101), we obtain a palindrome (99900999).

The spelling of 101665102 in words is "one hundred one million, six hundred sixty-five thousand, one hundred two".