2656667073 has 8 divisors (see below), whose sum is σ = 3563954848. Its totient is φ = 1760245344.

The previous prime is 2656667053. The next prime is 2656667087. The reversal of 2656667073 is 3707666562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2656667073 - 2¹⁰ = 2656666049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656667053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715940 + ... + 2716917.

It is an arithmetic number, because the mean of its divisors is an integer number (445494356).

Almost surely, 2^2656667073 is an apocalyptic number.

It is an amenable number.

2656667073 is a deficient number, since it is larger than the sum of its proper divisors (907287775).

2656667073 is a wasteful number, since it uses less digits than its factorization.

2656667073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433023.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The square root of 2656667073 is about 51542.8663638335. The cubic root of 2656667073 is about 1384.9870448466.

It can be divided in two parts, 26566 and 67073, that added together give a palindrome (93639).

The spelling of 2656667073 in words is "two billion, six hundred fifty-six million, six hundred sixty-seven thousand, seventy-three".