106491605 has 16 divisors (see below), whose sum is σ = 141177600. Its totient is φ = 76464960.

The previous prime is 106491589. The next prime is 106491629. The reversal of 106491605 is 506194601.

It is not a de Polignac number, because 106491605 - 2⁴ = 106491589 is a prime.

It is a super-2 number, since 2×106491605² = 22680923870952050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7910 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (8823600).

Almost surely, 2^106491605 is an apocalyptic number.

It is an amenable number.

106491605 is a deficient number, since it is larger than the sum of its proper divisors (34685995).

106491605 is a wasteful number, since it uses less digits than its factorization.

106491605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24604.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 106491605 is about 10319.4769731804. The cubic root of 106491605 is about 473.9928503375.

The spelling of 106491605 in words is "one hundred six million, four hundred ninety-one thousand, six hundred five".