8102610081 has 12 divisors (see below), whose sum is σ = 11714206608. Its totient is φ = 5396923224.

The previous prime is 8102610077. The next prime is 8102610083. The reversal of 8102610081 is 1800162018.

It is not a de Polignac number, because 8102610081 - 2² = 8102610077 is a prime.

It is a super-2 number, since 2×8102610081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8102610083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390735 + ... + 410948.

It is an arithmetic number, because the mean of its divisors is an integer number (976183884).

Almost surely, 2^8102610081 is an apocalyptic number.

It is an amenable number.

8102610081 is a deficient number, since it is larger than the sum of its proper divisors (3611596527).

8102610081 is a wasteful number, since it uses less digits than its factorization.

8102610081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802812 (or 802809 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 8102610081 is about 90014.4992820601. The cubic root of 8102610081 is about 2008.5145399479.

Adding to 8102610081 its reverse (1800162018), we get a palindrome (9902772099).

The spelling of 8102610081 in words is "eight billion, one hundred two million, six hundred ten thousand, eighty-one".