6881156 has 6 divisors (see below), whose sum is σ = 12042030. Its totient is φ = 3440576.

The previous prime is 6881131. The next prime is 6881167. The reversal of 6881156 is 6511886.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 173056 = 2590^2 + 416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860141 + ... + 860148.

It is an arithmetic number, because the mean of its divisors is an integer number (2007005).

Almost surely, 2^6881156 is an apocalyptic number.

It is an amenable number.

6881156 is a deficient number, since it is larger than the sum of its proper divisors (5160874).

6881156 is a wasteful number, since it uses less digits than its factorization.

6881156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720293 (or 1720291 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 6881156 is about 2623.1957608993. The cubic root of 6881156 is about 190.2043599866.

The spelling of 6881156 in words is "six million, eight hundred eighty-one thousand, one hundred fifty-six".