610686461 has 32 divisors (see below), whose sum is σ = 822700800. Its totient is φ = 447820800.

The previous prime is 610686457. The next prime is 610686487. The reversal of 610686461 is 164686016.

It is a happy number.

It is not a de Polignac number, because 610686461 - 2² = 610686457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610686451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59381 + ... + 68901.

It is an arithmetic number, because the mean of its divisors is an integer number (25709400).

Almost surely, 2^610686461 is an apocalyptic number.

It is an amenable number.

610686461 is a deficient number, since it is larger than the sum of its proper divisors (212014339).

610686461 is a wasteful number, since it uses less digits than its factorization.

610686461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9570 (or 9556 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 610686461 is about 24712.0711596580. The cubic root of 610686461 is about 848.4106221008.

The spelling of 610686461 in words is "six hundred ten million, six hundred eighty-six thousand, four hundred sixty-one".