6697107648 has 224 divisors, whose sum is σ = 24546885120. Its totient is φ = 1739473920.

The previous prime is 6697107623. The next prime is 6697107667. The reversal of 6697107648 is 8467017966.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6697107594 and 6697107603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107890 + ... + 158222.

Almost surely, 2^6697107648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697107648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12273442560).

6697107648 is an abundant number, since it is smaller than the sum of its proper divisors (17849777472).

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

6697107648 is a wasteful number, since it uses less digits than its factorization.

6697107648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50372 (or 50356 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 6697107648 is about 81835.8579596988. The cubic root of 6697107648 is about 1884.9323147369.

The spelling of 6697107648 in words is "six billion, six hundred ninety-seven million, one hundred seven thousand, six hundred forty-eight".