6988655336157 has 36 divisors (see below), whose sum is σ = 11096502569152. Its totient is φ = 4235301140400.

The previous prime is 6988655336153. The next prime is 6988655336171. The reversal of 6988655336157 is 7516335568896.

6988655336157 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 6 + 553 + 3 + 61 + 5 + 7 = 666.

It is not a de Polignac number, because 6988655336157 - 2² = 6988655336153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988655336153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19391868 + ... + 19748970.

Almost surely, 2^{6988655336157} is an apocalyptic number.

It is an amenable number.

6988655336157 is a deficient number, since it is larger than the sum of its proper divisors (4107847232995).

6988655336157 is a wasteful number, since it uses less digits than its factorization.

6988655336157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375102 (or 375088 counting only the distinct ones).

The product of its digits is 979776000, while the sum is 72.

The spelling of 6988655336157 in words is "six trillion, nine hundred eighty-eight billion, six hundred fifty-five million, three hundred thirty-six thousand, one hundred fifty-seven".