61170916 has 24 divisors (see below), whose sum is σ = 111101816. Its totient is φ = 29445120.

The previous prime is 61170877. The next prime is 61171001. The reversal of 61170916 is 61907116.

61170916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37258816 + 23912100 = 6104^2 + 4890^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 12226 + ... + 16486.

Almost surely, 2^61170916 is an apocalyptic number.

It is an amenable number.

61170916 is a deficient number, since it is larger than the sum of its proper divisors (49930900).

61170916 is a wasteful number, since it uses less digits than its factorization.

61170916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 61170916 is about 7821.1837978659. The cubic root of 61170916 is about 394.0170313955.

The spelling of 61170916 in words is "sixty-one million, one hundred seventy thousand, nine hundred sixteen".