61610105 has 8 divisors (see below), whose sum is σ = 73974600. Its totient is φ = 49259776.

The previous prime is 61610089. The next prime is 61610111. The reversal of 61610105 is 50101616.

It is a happy number.

61610105 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 17147881 + 44462224 = 4141^2 + 6668^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61610105 - 2⁴ = 61610089 is a prime.

It is a super-2 number, since 2×61610105² = 7591610076222050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

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, 13451 + ... + 17439.

It is an arithmetic number, because the mean of its divisors is an integer number (9246825).

Almost surely, 2^61610105 is an apocalyptic number.

It is an amenable number.

61610105 is a deficient number, since it is larger than the sum of its proper divisors (12364495).

61610105 is a wasteful number, since it uses less digits than its factorization.

61610105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 61610105 is about 7849.2104698498. The cubic root of 61610105 is about 394.9577586618.

The spelling of 61610105 in words is "sixty-one million, six hundred ten thousand, one hundred five".