2656206506 has 8 divisors (see below), whose sum is σ = 3990875520. Its totient is φ = 1325914668.

The previous prime is 2656206499. The next prime is 2656206521. The reversal of 2656206506 is 6056026562.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2656206506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092776 + ... + 1095203.

It is an arithmetic number, because the mean of its divisors is an integer number (498859440).

Almost surely, 2^2656206506 is an apocalyptic number.

2656206506 is a deficient number, since it is larger than the sum of its proper divisors (1334669014).

2656206506 is a wasteful number, since it uses less digits than its factorization.

2656206506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188588.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2656206506 is about 51538.3983647144. The cubic root of 2656206506 is about 1384.9070051859.

The spelling of 2656206506 in words is "two billion, six hundred fifty-six million, two hundred six thousand, five hundred six".