556670061 has 12 divisors (see below), whose sum is σ = 804376092. Its totient is φ = 370976256.

The previous prime is 556670039. The next prime is 556670087. The reversal of 556670061 is 160076655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 338192100 + 218477961 = 18390^2 + 14781^2 .

It is not a de Polignac number, because 556670061 - 2⁹ = 556669549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556669998 and 556670025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556670011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18375 + ... + 38091.

It is an arithmetic number, because the mean of its divisors is an integer number (67031341).

Almost surely, 2^556670061 is an apocalyptic number.

It is an amenable number.

556670061 is a deficient number, since it is larger than the sum of its proper divisors (247706031).

556670061 is a wasteful number, since it uses less digits than its factorization.

556670061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860 (or 22857 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 556670061 is about 23593.8564249255. The cubic root of 556670061 is about 822.6200456090.

The spelling of 556670061 in words is "five hundred fifty-six million, six hundred seventy thousand, sixty-one".