105606651 has 4 divisors (see below), whose sum is σ = 140808872. Its totient is φ = 70404432.

The previous prime is 105606649. The next prime is 105606653. The reversal of 105606651 is 156606501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (105606649) and next prime (105606653).

It is not a de Polignac number, because 105606651 - 2¹ = 105606649 is a prime.

It is a super-2 number, since 2×105606651² = 22305529470871602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105606653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601106 + ... + 17601111.

It is an arithmetic number, because the mean of its divisors is an integer number (35202218).

Almost surely, 2^105606651 is an apocalyptic number.

105606651 is a deficient number, since it is larger than the sum of its proper divisors (35202221).

105606651 is an equidigital number, since it uses as much as digits as its factorization.

105606651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35202220.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 105606651 is about 10276.5096701166. The cubic root of 105606651 is about 472.6762232854.

The spelling of 105606651 in words is "one hundred five million, six hundred six thousand, six hundred fifty-one".