8540666101 has 4 divisors (see below), whose sum is σ = 9317090304. Its totient is φ = 7764241900.

The previous prime is 8540666093. The next prime is 8540666111. The reversal of 8540666101 is 1016660458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8540666101 - 2³ = 8540666093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540666111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388212085 + ... + 388212106.

It is an arithmetic number, because the mean of its divisors is an integer number (2329272576).

Almost surely, 2^8540666101 is an apocalyptic number.

It is an amenable number.

8540666101 is a deficient number, since it is larger than the sum of its proper divisors (776424203).

8540666101 is a wasteful number, since it uses less digits than its factorization.

8540666101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776424202.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8540666101 is about 92415.7243168066. The cubic root of 8540666101 is about 2044.0769822435.

The spelling of 8540666101 in words is "eight billion, five hundred forty million, six hundred sixty-six thousand, one hundred one".