8166761 has 4 divisors (see below), whose sum is σ = 8208000. Its totient is φ = 8125524.

The previous prime is 8166757. The next prime is 8166773. The reversal of 8166761 is 1676618.

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 8166761 - 2² = 8166757 is a prime.

It is a super-2 number, since 2×8166761² = 133391970462242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166731) 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, 20321 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (2052000).

Almost surely, 2^8166761 is an apocalyptic number.

It is an amenable number.

8166761 is a deficient number, since it is larger than the sum of its proper divisors (41239).

8166761 is a wasteful number, since it uses less digits than its factorization.

8166761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41238.

The product of its digits is 12096, while the sum is 35.

The square root of 8166761 is about 2857.7545380946. The cubic root of 8166761 is about 201.3801293087.

The spelling of 8166761 in words is "eight million, one hundred sixty-six thousand, seven hundred sixty-one".