616320461 has 8 divisors (see below), whose sum is σ = 656049600. Its totient is φ = 577320480.

The previous prime is 616320457. The next prime is 616320469. The reversal of 616320461 is 164023616.

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 616320461 - 2² = 616320457 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 (616320469) 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, 180545 + ... + 183926.

It is an arithmetic number, because the mean of its divisors is an integer number (82006200).

Almost surely, 2^616320461 is an apocalyptic number.

It is an amenable number.

616320461 is a deficient number, since it is larger than the sum of its proper divisors (39729139).

616320461 is a wasteful number, since it uses less digits than its factorization.

616320461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364579.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 616320461 is about 24825.8023233893. The cubic root of 616320461 is about 851.0116954873.

The spelling of 616320461 in words is "six hundred sixteen million, three hundred twenty thousand, four hundred sixty-one".