61080646 has 16 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 27728680.

The previous prime is 61080601. The next prime is 61080697. The reversal of 61080646 is 64608016.

It is a congruent number.

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, 24945 + ... + 27283.

It is an arithmetic number, because the mean of its divisors is an integer number (6254820).

Almost surely, 2^61080646 is an apocalyptic number.

61080646 is a deficient number, since it is larger than the sum of its proper divisors (38996474).

61080646 is a wasteful number, since it uses less digits than its factorization.

61080646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 61080646 is about 7815.4108017429. The cubic root of 61080646 is about 393.8231188306.

The spelling of 61080646 in words is "sixty-one million, eighty thousand, six hundred forty-six".