1316606432357 has 2 divisors, whose sum is σ = 1316606432358. Its totient is φ = 1316606432356.

The previous prime is 1316606432279. The next prime is 1316606432377. The reversal of 1316606432357 is 7532346066131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918225814081 + 398380618276 = 958241^2 + 631174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316606432357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316606432377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658303216178 + 658303216179.

It is an arithmetic number, because the mean of its divisors is an integer number (658303216179).

Almost surely, 2^{1316606432357} is an apocalyptic number.

It is an amenable number.

1316606432357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316606432357 is an equidigital number, since it uses as much as digits as its factorization.

1316606432357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 1316606432357 in words is "one trillion, three hundred sixteen billion, six hundred six million, four hundred thirty-two thousand, three hundred fifty-seven".