557081657634 has 16 divisors (see below), whose sum is σ = 1114894891872. Its totient is φ = 185571956448.

The previous prime is 557081657633. The next prime is 557081657647. The reversal of 557081657634 is 436756180755.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557081657633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30472459 + ... + 30490734.

It is an arithmetic number, because the mean of its divisors is an integer number (69680930742).

Almost surely, 2^557081657634 is an apocalyptic number.

557081657634 is an abundant number, since it is smaller than the sum of its proper divisors (557813234238).

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

557081657634 is a wasteful number, since it uses less digits than its factorization.

557081657634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60964721.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 557081657634 in words is "five hundred fifty-seven billion, eighty-one million, six hundred fifty-seven thousand, six hundred thirty-four".