561677082220258 has 16 divisors (see below), whose sum is σ = 852934959190944. Its totient is φ = 277377222407040.

The previous prime is 561677082220237. The next prime is 561677082220259. The reversal of 561677082220258 is 852022280776165.

It is a happy number.

It is a super-2 number, since 2×561677082220258² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561677082220196 and 561677082220205.

It is not an unprimeable number, because it can be changed into a prime (561677082220259) 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, 2948217060 + ... + 2948407567.

It is an arithmetic number, because the mean of its divisors is an integer number (53308434949434).

Almost surely, 2^{561677082220258} is an apocalyptic number.

561677082220258 is a deficient number, since it is larger than the sum of its proper divisors (291257876970686).

561677082220258 is a wasteful number, since it uses less digits than its factorization.

561677082220258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896625217.

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 561677082220258 in words is "five hundred sixty-one trillion, six hundred seventy-seven billion, eighty-two million, two hundred twenty thousand, two hundred fifty-eight".