61180456 has 16 divisors (see below), whose sum is σ = 120751200. Its totient is φ = 28980144.

The previous prime is 61180439. The next prime is 61180489. The reversal of 61180456 is 65408116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201100 + ... + 201403.

It is an arithmetic number, because the mean of its divisors is an integer number (7546950).

Almost surely, 2^61180456 is an apocalyptic number.

It is an amenable number.

61180456 is a deficient number, since it is larger than the sum of its proper divisors (59570744).

61180456 is a wasteful number, since it uses less digits than its factorization.

61180456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402528 (or 402524 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 61180456 is about 7821.7936561891. The cubic root of 61180456 is about 394.0375134989.

The spelling of 61180456 in words is "sixty-one million, one hundred eighty thousand, four hundred fifty-six".