616259660 has 24 divisors (see below), whose sum is σ = 1324243536. Its totient is φ = 240770880.

The previous prime is 616259653. The next prime is 616259669. The reversal of 616259660 is 66952616.

It is not an unprimeable number, because it can be changed into a prime (616259669) by changing a digit.

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, 357431 + ... + 359150.

It is an arithmetic number, because the mean of its divisors is an integer number (55176814).

Almost surely, 2^616259660 is an apocalyptic number.

It is an amenable number.

616259660 is an abundant number, since it is smaller than the sum of its proper divisors (707983876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616259660 is a wasteful number, since it uses less digits than its factorization.

616259660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716633 (or 716631 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 616259660 is about 24824.5777406183. The cubic root of 616259660 is about 850.9837100117.

The spelling of 616259660 in words is "six hundred sixteen million, two hundred fifty-nine thousand, six hundred sixty".