561230331654 has 64 divisors (see below), whose sum is σ = 1181562218496. Its totient is φ = 177492881664.

The previous prime is 561230331637. The next prime is 561230331659. The reversal of 561230331654 is 456133032165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561230331659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5745994 + ... + 5842850.

It is an arithmetic number, because the mean of its divisors is an integer number (18461909664).

Almost surely, 2^561230331654 is an apocalyptic number.

561230331654 is an abundant number, since it is smaller than the sum of its proper divisors (620331886842).

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

561230331654 is a wasteful number, since it uses less digits than its factorization.

561230331654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97549.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 561230331654 in words is "five hundred sixty-one billion, two hundred thirty million, three hundred thirty-one thousand, six hundred fifty-four".