6602106491 has 32 divisors (see below), whose sum is σ = 7217683200. Its totient is φ = 6019228800.

The previous prime is 6602106479. The next prime is 6602106499. The reversal of 6602106491 is 1946012066.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6602106491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6602106499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14137040 + ... + 14137506.

It is an arithmetic number, because the mean of its divisors is an integer number (225552600).

Almost surely, 2^6602106491 is an apocalyptic number.

6602106491 is a deficient number, since it is larger than the sum of its proper divisors (615576709).

6602106491 is a wasteful number, since it uses less digits than its factorization.

6602106491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 6602106491 is about 81253.3475679618. The cubic root of 6602106491 is about 1875.9769951663.

The spelling of 6602106491 in words is "six billion, six hundred two million, one hundred six thousand, four hundred ninety-one".