8163925761 has 8 divisors (see below), whose sum is σ = 10950416064. Its totient is φ = 5410026320.

The previous prime is 8163925723. The next prime is 8163925769. The reversal of 8163925761 is 1675293618.

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 8163925761 - 2²³ = 8155537153 is a prime.

It is a super-2 number, since 2×8163925761² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8163925761.

It is not an unprimeable number, because it can be changed into a prime (8163925769) 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, 8147130 + ... + 8148131.

It is an arithmetic number, because the mean of its divisors is an integer number (1368802008).

Almost surely, 2^8163925761 is an apocalyptic number.

It is an amenable number.

8163925761 is a deficient number, since it is larger than the sum of its proper divisors (2786490303).

8163925761 is a wasteful number, since it uses less digits than its factorization.

8163925761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295431.

The product of its digits is 544320, while the sum is 48.

The square root of 8163925761 is about 90354.4451645850. The cubic root of 8163925761 is about 2013.5682235823.

The spelling of 8163925761 in words is "eight billion, one hundred sixty-three million, nine hundred twenty-five thousand, seven hundred sixty-one".