6697298871396 has 1215 divisors, whose sum is σ = 22958310862179. Its totient is φ = 1697091891264.

The previous prime is 6697298871283. The next prime is 6697298871553. The reversal of 6697298871396 is 6931788927966.

The square root of 6697298871396 is 2587914.

It is a perfect power (a square), and thus also a powerful number.

6697298871396 is a `hidden beast` number, since 6 + 6 + 9 + 72 + 98 + 8 + 71 + 396 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 404 ways as a sum of consecutive naturals, for example, 142495720645 + ... + 142495720691.

Almost surely, 2^{6697298871396} is an apocalyptic number.

6697298871396 is the 2587914-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697298871396

6697298871396 is an abundant number, since it is smaller than the sum of its proper divisors (16261011990783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6697298871396 is a wasteful number, since it uses less digits than its factorization.

6697298871396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 101 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 81.

Multiplying 6697298871396 by its sum of digits (81), we get a square (542481208583076 = 23291226²).

6697298871396 divided by its sum of digits (81) gives a square (82682702116 = 287546²).

The spelling of 6697298871396 in words is "six trillion, six hundred ninety-seven billion, two hundred ninety-eight million, eight hundred seventy-one thousand, three hundred ninety-six".