106965661 has 4 divisors (see below), whose sum is σ = 116689824. Its totient is φ = 97241500.

The previous prime is 106965647. The next prime is 106965667. The reversal of 106965661 is 166569601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166569601 = 11 ⋅15142691.

It is a cyclic number.

It is not a de Polignac number, because 106965661 - 2⁷ = 106965533 is a prime.

It is a super-2 number, since 2×106965661² = 22883305266333842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106965667) 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, 4862065 + ... + 4862086.

It is an arithmetic number, because the mean of its divisors is an integer number (29172456).

Almost surely, 2^106965661 is an apocalyptic number.

106965661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106965661 is a deficient number, since it is larger than the sum of its proper divisors (9724163).

106965661 is an equidigital number, since it uses as much as digits as its factorization.

106965661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724162.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 106965661 is about 10342.4204613814. The cubic root of 106965661 is about 474.6951484346.

The spelling of 106965661 in words is "one hundred six million, nine hundred sixty-five thousand, six hundred sixty-one".