8161692 has 96 divisors (see below), whose sum is σ = 24267264. Its totient is φ = 2090880.

The previous prime is 8161687. The next prime is 8161753. The reversal of 8161692 is 2961618.

8161692 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8161692² = 133226432605728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

Its product of digits (5184) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111768 + ... + 111840.

It is an arithmetic number, because the mean of its divisors is an integer number (252784).

Almost surely, 2^8161692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8161692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12133632).

8161692 is an abundant number, since it is smaller than the sum of its proper divisors (16105572).

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

8161692 is a wasteful number, since it uses less digits than its factorization.

8161692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 96 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 8161692 is about 2856.8675153041. The cubic root of 8161692 is about 201.3384560290.

The spelling of 8161692 in words is "eight million, one hundred sixty-one thousand, six hundred ninety-two".