8164917690 has 32 divisors (see below), whose sum is σ = 20627161920. Its totient is φ = 2062715904.

The previous prime is 8164917659. The next prime is 8164917697. The reversal of 8164917690 is 967194618.

It is a happy number.

It is a super-2 number, since 2×8164917690² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8164917697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7161639 + ... + 7162778.

It is an arithmetic number, because the mean of its divisors is an integer number (644598810).

Almost surely, 2^8164917690 is an apocalyptic number.

8164917690 is an abundant number, since it is smaller than the sum of its proper divisors (12462244230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8164917690 is a wasteful number, since it uses less digits than its factorization.

8164917690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324446.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 8164917690 is about 90359.9340969215. The cubic root of 8164917690 is about 2013.6497707810.

The spelling of 8164917690 in words is "eight billion, one hundred sixty-four million, nine hundred seventeen thousand, six hundred ninety".