8156672 has 40 divisors (see below), whose sum is σ = 16572600. Its totient is φ = 4009984.

The previous prime is 8156669. The next prime is 8156699. The reversal of 8156672 is 2766518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45479 + ... + 45657.

It is an arithmetic number, because the mean of its divisors is an integer number (414315).

Almost surely, 2^8156672 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 8156672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8286300).

8156672 is an abundant number, since it is smaller than the sum of its proper divisors (8415928).

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

8156672 is an equidigital number, since it uses as much as digits as its factorization.

8156672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 270 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 8156672 is about 2855.9887954962. The cubic root of 8156672 is about 201.2971685794.

The spelling of 8156672 in words is "eight million, one hundred fifty-six thousand, six hundred seventy-two".