105668651 has 16 divisors (see below), whose sum is σ = 122381280. Its totient is φ = 90170880.

The previous prime is 105668639. The next prime is 105668659. The reversal of 105668651 is 156866501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105668651 is a prime.

It is a super-2 number, since 2×105668651² = 22331727608319602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105668659) 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 15 ways as a sum of consecutive naturals, for example, 132185 + ... + 132981.

It is an arithmetic number, because the mean of its divisors is an integer number (7648830).

Almost surely, 2^105668651 is an apocalyptic number.

105668651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105668651 is a deficient number, since it is larger than the sum of its proper divisors (16712629).

105668651 is a wasteful number, since it uses less digits than its factorization.

105668651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 105668651 is about 10279.5258159119. The cubic root of 105668651 is about 472.7687054426.

The spelling of 105668651 in words is "one hundred five million, six hundred sixty-eight thousand, six hundred fifty-one".