616425649850 has 24 divisors (see below), whose sum is σ = 1146804287328. Its totient is φ = 246515942000.

The previous prime is 616425649823. The next prime is 616425649907. The reversal of 616425649850 is 58946524616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128326 + ... + 1583025.

It is an arithmetic number, because the mean of its divisors is an integer number (47783511972).

Almost surely, 2^616425649850 is an apocalyptic number.

616425649850 is a deficient number, since it is larger than the sum of its proper divisors (530378637478).

616425649850 is a wasteful number, since it uses less digits than its factorization.

616425649850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715910 (or 2715905 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 616425649850 in words is "six hundred sixteen billion, four hundred twenty-five million, six hundred forty-nine thousand, eight hundred fifty".