610661147 has 8 divisors (see below), whose sum is σ = 618215520. Its totient is φ = 603138240.

The previous prime is 610661143. The next prime is 610661167. The reversal of 610661147 is 741166016.

It is a happy number.

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 610661147 - 2² = 610661143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610661141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32447 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (77276940).

Almost surely, 2^610661147 is an apocalyptic number.

610661147 is a deficient number, since it is larger than the sum of its proper divisors (7554373).

610661147 is a wasteful number, since it uses less digits than its factorization.

610661147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 610661147 is about 24711.5589755078. The cubic root of 610661147 is about 848.3988992476.

The spelling of 610661147 in words is "six hundred ten million, six hundred sixty-one thousand, one hundred forty-seven".