10101688 has 8 divisors (see below), whose sum is σ = 18940680. Its totient is φ = 5050840.

The previous prime is 10101659. The next prime is 10101697. The reversal of 10101688 is 88610101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 631348 + ... + 631363.

It is an arithmetic number, because the mean of its divisors is an integer number (2367585).

Almost surely, 2^10101688 is an apocalyptic number.

It is an amenable number.

10101688 is a deficient number, since it is larger than the sum of its proper divisors (8838992).

10101688 is a wasteful number, since it uses less digits than its factorization.

10101688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262717 (or 1262713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 10101688 is about 3178.3152769982. The cubic root of 10101688 is about 216.1712747619.

Adding to 10101688 its reverse (88610101), we get a palindrome (98711789).

The spelling of 10101688 in words is "ten million, one hundred one thousand, six hundred eighty-eight".