5681574156466 has 32 divisors (see below), whose sum is σ = 9954825250608. Its totient is φ = 2407818639360.

The previous prime is 5681574156463. The next prime is 5681574156491. The reversal of 5681574156466 is 6646514751865.

It can be written as a sum of positive squares in 8 ways, for example, as 653534812225 + 5028039344241 = 808415^2 + 2242329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5681574156398 and 5681574156407.

It is not an unprimeable number, because it can be changed into a prime (5681574156463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156740905 + ... + 156777148.

Almost surely, 2^{5681574156466} is an apocalyptic number.

5681574156466 is a deficient number, since it is larger than the sum of its proper divisors (4273251094142).

5681574156466 is a wasteful number, since it uses less digits than its factorization.

5681574156466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313518126.

The product of its digits is 145152000, while the sum is 64.

The spelling of 5681574156466 in words is "five trillion, six hundred eighty-one billion, five hundred seventy-four million, one hundred fifty-six thousand, four hundred sixty-six".