2656162262566 has 16 divisors (see below), whose sum is σ = 3993633819648. Its totient is φ = 1324954600200.

The previous prime is 2656162262531. The next prime is 2656162262569. The reversal of 2656162262566 is 6652622616562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656162262569) 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, 570781 + ... + 2374471.

It is an arithmetic number, because the mean of its divisors is an integer number (249602113728).

Almost surely, 2^{2656162262566} is an apocalyptic number.

2656162262566 is a deficient number, since it is larger than the sum of its proper divisors (1337471557082).

2656162262566 is a wasteful number, since it uses less digits than its factorization.

2656162262566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805427.

The product of its digits is 18662400, while the sum is 55.

The spelling of 2656162262566 in words is "two trillion, six hundred fifty-six billion, one hundred sixty-two million, two hundred sixty-two thousand, five hundred sixty-six".