29966553385522 has 24 divisors (see below), whose sum is σ = 48674161739700. Its totient is φ = 13830524547840.

The previous prime is 29966553385519. The next prime is 29966553385661. The reversal of 29966553385522 is 22558335566992.

It can be written as a sum of positive squares in 6 ways, for example, as 13675877044281 + 16290676341241 = 3698091^2 + 4036171^2 .

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25329022 + ... + 26485702.

Almost surely, 2^{29966553385522} is an apocalyptic number.

29966553385522 is a deficient number, since it is larger than the sum of its proper divisors (18707608354178).

29966553385522 is a wasteful number, since it uses less digits than its factorization.

29966553385522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233358 (or 1233345 counting only the distinct ones).

The product of its digits is 1049760000, while the sum is 70.

The spelling of 29966553385522 in words is "twenty-nine trillion, nine hundred sixty-six billion, five hundred fifty-three million, three hundred eighty-five thousand, five hundred twenty-two".