29958666128 has 10 divisors (see below), whose sum is σ = 58044915654. Its totient is φ = 14979333056.

The previous prime is 29958666121. The next prime is 29958666131. The reversal of 29958666128 is 82166685992.

It can be written as a sum of positive squares in only one way, i.e., 21907552144 + 8051113984 = 148012^2 + 89728^2 .

It is not an unprimeable number, because it can be changed into a prime (29958666121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936208301 + ... + 936208332.

Almost surely, 2^29958666128 is an apocalyptic number.

It is an amenable number.

29958666128 is a deficient number, since it is larger than the sum of its proper divisors (28086249526).

29958666128 is a wasteful number, since it uses less digits than its factorization.

29958666128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872416641 (or 1872416635 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 62.

The spelling of 29958666128 in words is "twenty-nine billion, nine hundred fifty-eight million, six hundred sixty-six thousand, one hundred twenty-eight".