6656654386522 has 32 divisors (see below), whose sum is σ = 11802127279104. Its totient is φ = 2755525219200.

The previous prime is 6656654386519. The next prime is 6656654386531. The reversal of 6656654386522 is 2256834566566.

It is a super-2 number, since 2×6656654386522² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14493573 + ... + 14945800.

It is an arithmetic number, because the mean of its divisors is an integer number (368816477472).

Almost surely, 2^{6656654386522} is an apocalyptic number.

6656654386522 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6656654386522 is a deficient number, since it is larger than the sum of its proper divisors (5145472892582).

6656654386522 is a wasteful number, since it uses less digits than its factorization.

6656654386522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29439934.

The product of its digits is 373248000, while the sum is 64.

The spelling of 6656654386522 in words is "six trillion, six hundred fifty-six billion, six hundred fifty-four million, three hundred eighty-six thousand, five hundred twenty-two".