8081706551 has 8 divisors (see below), whose sum is σ = 8632829664. Its totient is φ = 7538997760.

The previous prime is 8081706491. The next prime is 8081706569. The reversal of 8081706551 is 1556071808.

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

It is a cyclic number.

It is not a de Polignac number, because 8081706551 - 2¹⁴ = 8081690167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8081706499 and 8081706508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081706571) 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, 2101595 + ... + 2105436.

It is an arithmetic number, because the mean of its divisors is an integer number (1079103708).

Almost surely, 2^8081706551 is an apocalyptic number.

8081706551 is a deficient number, since it is larger than the sum of its proper divisors (551123113).

8081706551 is a wasteful number, since it uses less digits than its factorization.

8081706551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207161.

The product of its (nonzero) digits is 67200, while the sum is 41.

The square root of 8081706551 is about 89898.3122811546. The cubic root of 8081706551 is about 2006.7858294700.

The spelling of 8081706551 in words is "eight billion, eighty-one million, seven hundred six thousand, five hundred fifty-one".