106165643 has 2 divisors, whose sum is σ = 106165644. Its totient is φ = 106165642.

The previous prime is 106165639. The next prime is 106165699. The reversal of 106165643 is 346561601.

It is a weak prime.

It is an emirp because it is prime and its reverse (346561601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106165643 - 2² = 106165639 is a prime.

It is a super-2 number, since 2×106165643² = 22542287507206898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106165243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53082821 + 53082822.

It is an arithmetic number, because the mean of its divisors is an integer number (53082822).

Almost surely, 2^106165643 is an apocalyptic number.

106165643 is a deficient number, since it is larger than the sum of its proper divisors (1).

106165643 is an equidigital number, since it uses as much as digits as its factorization.

106165643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 106165643 is about 10303.6713359851. The cubic root of 106165643 is about 473.5087384144.

The spelling of 106165643 in words is "one hundred six million, one hundred sixty-five thousand, six hundred forty-three".