106291765 has 8 divisors (see below), whose sum is σ = 129957048. Its totient is φ = 83428800.

The previous prime is 106291751. The next prime is 106291781. The reversal of 106291765 is 567192601.

It can be written as a sum of positive squares in 4 ways, for example, as 2883204 + 103408561 = 1698^2 + 10169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106291765 - 2⁵ = 106291733 is a prime.

It is a super-2 number, since 2×106291765² = 22595878613630450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200286 + ... + 200815.

It is an arithmetic number, because the mean of its divisors is an integer number (16244631).

Almost surely, 2^106291765 is an apocalyptic number.

It is an amenable number.

106291765 is a deficient number, since it is larger than the sum of its proper divisors (23665283).

106291765 is an equidigital number, since it uses as much as digits as its factorization.

106291765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401159.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 106291765 is about 10309.7897650728. The cubic root of 106291765 is about 473.6961695345.

The spelling of 106291765 in words is "one hundred six million, two hundred ninety-one thousand, seven hundred sixty-five".