616135364620434 has 48 divisors (see below), whose sum is σ = 1405227222247680. Its totient is φ = 194568201943200.

The previous prime is 616135364620387. The next prime is 616135364620547. The reversal of 616135364620434 is 434026463531616.

616135364620434 is a `hidden beast` number, since 6 + 1 + 6 + 1 + 3 + 5 + 3 + 6 + 4 + 620 + 4 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75784479 + ... + 83519805.

It is an arithmetic number, because the mean of its divisors is an integer number (29275567130160).

Almost surely, 2^{616135364620434} is an apocalyptic number.

616135364620434 is an abundant number, since it is smaller than the sum of its proper divisors (789091857627246).

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

616135364620434 is a wasteful number, since it uses less digits than its factorization.

616135364620434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968255 (or 7968252 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 616135364620434 in words is "six hundred sixteen trillion, one hundred thirty-five billion, three hundred sixty-four million, six hundred twenty thousand, four hundred thirty-four".