8106651801 has 48 divisors (see below), whose sum is σ = 12383227584. Its totient is φ = 5298441984.

The previous prime is 8106651781. The next prime is 8106651803. The reversal of 8106651801 is 1081566018.

8106651801 is a `hidden beast` number, since 81 + 0 + 66 + 518 + 0 + 1 = 666.

It is not a de Polignac number, because 8106651801 - 2⁵ = 8106651769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8106651803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3792405 + ... + 3794541.

It is an arithmetic number, because the mean of its divisors is an integer number (257983908).

Almost surely, 2^8106651801 is an apocalyptic number.

8106651801 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8106651801 is a deficient number, since it is larger than the sum of its proper divisors (4276575783).

8106651801 is a wasteful number, since it uses less digits than its factorization.

8106651801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 8106651801 is about 90036.9468662726. The cubic root of 8106651801 is about 2008.8484448627.

The spelling of 8106651801 in words is "eight billion, one hundred six million, six hundred fifty-one thousand, eight hundred one".