6706597551 has 8 divisors (see below), whose sum is σ = 8950097280. Its totient is φ = 4467081432.

The previous prime is 6706597543. The next prime is 6706597553. The reversal of 6706597551 is 1557956076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6706597551 - 2³ = 6706597543 is a prime.

It is a super-2 number, since 2×6706597551² = 89956901422158395202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6706597494 and 6706597503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6706597553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991971 + ... + 998708.

It is an arithmetic number, because the mean of its divisors is an integer number (1118762160).

Almost surely, 2^6706597551 is an apocalyptic number.

6706597551 is a deficient number, since it is larger than the sum of its proper divisors (2243499729).

6706597551 is a wasteful number, since it uses less digits than its factorization.

6706597551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991805.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The square root of 6706597551 is about 81893.8187594155. The cubic root of 6706597551 is about 1885.8222204149.

The spelling of 6706597551 in words is "six billion, seven hundred six million, five hundred ninety-seven thousand, five hundred fifty-one".