6656492422 has 16 divisors (see below), whose sum is σ = 10754952192. Its totient is φ = 3080844360.

The previous prime is 6656492413. The next prime is 6656492429. The reversal of 6656492422 is 2242946566.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656492429) 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, 2332548 + ... + 2335399.

It is an arithmetic number, because the mean of its divisors is an integer number (672184512).

Almost surely, 2^6656492422 is an apocalyptic number.

6656492422 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6656492422 is a deficient number, since it is larger than the sum of its proper divisors (4098459770).

6656492422 is a wasteful number, since it uses less digits than its factorization.

6656492422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668003.

The product of its digits is 1244160, while the sum is 46.

The square root of 6656492422 is about 81587.3300335291. The cubic root of 6656492422 is about 1881.1141372110.

The spelling of 6656492422 in words is "six billion, six hundred fifty-six million, four hundred ninety-two thousand, four hundred twenty-two".