616414642654 has 32 divisors (see below), whose sum is σ = 986928800256. Its totient is φ = 287740231680.

The previous prime is 616414642633. The next prime is 616414642667. The reversal of 616414642654 is 456246414616.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 616414642598 and 616414642607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157934 + ... + 2426830.

It is an arithmetic number, because the mean of its divisors is an integer number (30841525008).

Almost surely, 2^616414642654 is an apocalyptic number.

616414642654 is a deficient number, since it is larger than the sum of its proper divisors (370514157602).

616414642654 is a wasteful number, since it uses less digits than its factorization.

616414642654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269460.

The product of its digits is 3317760, while the sum is 49.

The spelling of 616414642654 in words is "six hundred sixteen billion, four hundred fourteen million, six hundred forty-two thousand, six hundred fifty-four".