2660438097 has 6 divisors (see below), whose sum is σ = 3842855042. Its totient is φ = 1773625392.

The previous prime is 2660438087. The next prime is 2660438111. The reversal of 2660438097 is 7908340662.

2660438097 is a `hidden beast` number, since 2 + 6 + 604 + 38 + 0 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1896689601 + 763748496 = 43551^2 + 27636^2 .

It is not a de Polignac number, because 2660438097 - 2⁸ = 2660437841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660438087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147802108 + ... + 147802125.

Almost surely, 2^2660438097 is an apocalyptic number.

It is an amenable number.

2660438097 is a deficient number, since it is larger than the sum of its proper divisors (1182416945).

2660438097 is a wasteful number, since it uses less digits than its factorization.

2660438097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295604239 (or 295604236 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2660438097 is about 51579.4348262949. The cubic root of 2660438097 is about 1385.6420447645.

The spelling of 2660438097 in words is "two billion, six hundred sixty million, four hundred thirty-eight thousand, ninety-seven".