557361763017656 has 16 divisors (see below), whose sum is σ = 1045053707421840. Its totient is φ = 278680774371840.

The previous prime is 557361763017607. The next prime is 557361763017659. The reversal of 557361763017656 is 656710367163755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557361763017659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11422445 + ... + 35287331.

It is an arithmetic number, because the mean of its divisors is an integer number (65315856713865).

Almost surely, 2^{557361763017656} is an apocalyptic number.

It is an amenable number.

557361763017656 is a deficient number, since it is larger than the sum of its proper divisors (487691944404184).

557361763017656 is a wasteful number, since it uses less digits than its factorization.

557361763017656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26784254 (or 26784250 counting only the distinct ones).

The product of its (nonzero) digits is 500094000, while the sum is 68.

The spelling of 557361763017656 in words is "five hundred fifty-seven trillion, three hundred sixty-one billion, seven hundred sixty-three million, seventeen thousand, six hundred fifty-six".