106161605 has 32 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 73696000.

The previous prime is 106161599. The next prime is 106161619. The reversal of 106161605 is 506161601.

It is not a de Polignac number, because 106161605 - 2⁴ = 106161589 is a prime.

It is a super-2 number, since 2×106161605² = 22540572752352050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160766 + ... + 161424.

It is an arithmetic number, because the mean of its divisors is an integer number (4544100).

Almost surely, 2^106161605 is an apocalyptic number.

It is an amenable number.

106161605 is a deficient number, since it is larger than the sum of its proper divisors (39249595).

106161605 is a wasteful number, since it uses less digits than its factorization.

106161605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 106161605 is about 10303.4753845487. The cubic root of 106161605 is about 473.5027350519.

It can be divided in two parts, 10616 and 1605, that added together give a palindrome (12221).

The spelling of 106161605 in words is "one hundred six million, one hundred sixty-one thousand, six hundred five".