616347654 has 16 divisors (see below), whose sum is σ = 1327518192. Its totient is φ = 189645408.

The previous prime is 616347649. The next prime is 616347679. The reversal of 616347654 is 456743616.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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, 3950869 + ... + 3951024.

It is an arithmetic number, because the mean of its divisors is an integer number (82969887).

Almost surely, 2^616347654 is an apocalyptic number.

616347654 is an abundant number, since it is smaller than the sum of its proper divisors (711170538).

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

616347654 is a wasteful number, since it uses less digits than its factorization.

616347654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901911.

The product of its digits is 362880, while the sum is 42.

The square root of 616347654 is about 24826.3499935049. The cubic root of 616347654 is about 851.0242112818.

The spelling of 616347654 in words is "six hundred sixteen million, three hundred forty-seven thousand, six hundred fifty-four".