7566402046057 has 2 divisors, whose sum is σ = 7566402046058. Its totient is φ = 7566402046056.

The previous prime is 7566402046037. The next prime is 7566402046111. The reversal of 7566402046057 is 7506402046657.

7566402046057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5910519496336 + 1655882549721 = 2431156^2 + 1286811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7566402046057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7566402045995 and 7566402046013.

It is not a weakly prime, because it can be changed into another prime (7566402046037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783201023028 + 3783201023029.

It is an arithmetic number, because the mean of its divisors is an integer number (3783201023029).

Almost surely, 2^{7566402046057} is an apocalyptic number.

It is an amenable number.

7566402046057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7566402046057 is an equidigital number, since it uses as much as digits as its factorization.

7566402046057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 7566402046057 in words is "seven trillion, five hundred sixty-six billion, four hundred two million, forty-six thousand, fifty-seven".