10101618 has 16 divisors (see below), whose sum is σ = 22448160. Its totient is φ = 3367188.

The previous prime is 10101617. The next prime is 10101653. The reversal of 10101618 is 81610101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101618.

It is not an unprimeable number, because it can be changed into a prime (10101617) 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 in 7 ways as a sum of consecutive naturals, for example, 93480 + ... + 93587.

It is an arithmetic number, because the mean of its divisors is an integer number (1403010).

Almost surely, 2^10101618 is an apocalyptic number.

10101618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10101618 is an abundant number, since it is smaller than the sum of its proper divisors (12346542).

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

10101618 is a wasteful number, since it uses less digits than its factorization.

10101618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187078 (or 187072 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 10101618 is about 3178.3042648557. The cubic root of 10101618 is about 216.1707754386.

Adding to 10101618 its reverse (81610101), we get a palindrome (91711719).

It can be divided in two parts, 1010 and 1618, that added together give a triangular number (2628 = T₇₂).

The spelling of 10101618 in words is "ten million, one hundred one thousand, six hundred eighteen".