8161356 has 24 divisors (see below), whose sum is σ = 21763840. Its totient is φ = 2331792.

The previous prime is 8161333. The next prime is 8161381. The reversal of 8161356 is 6531618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48496 + ... + 48663.

Almost surely, 2^8161356 is an apocalyptic number.

It is an amenable number.

8161356 is an abundant number, since it is smaller than the sum of its proper divisors (13602484).

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

8161356 is a wasteful number, since it uses less digits than its factorization.

8161356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97173 (or 97171 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 8161356 is about 2856.8087090318. The cubic root of 8161356 is about 201.3356930950.

The spelling of 8161356 in words is "eight million, one hundred sixty-one thousand, three hundred fifty-six".