516366332407 has 2 divisors, whose sum is σ = 516366332408. Its totient is φ = 516366332406.

The previous prime is 516366332401. The next prime is 516366332411. The reversal of 516366332407 is 704233663615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516366332407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516366332401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258183166203 + 258183166204.

It is an arithmetic number, because the mean of its divisors is an integer number (258183166204).

Almost surely, 2^516366332407 is an apocalyptic number.

516366332407 is a deficient number, since it is larger than the sum of its proper divisors (1).

516366332407 is an equidigital number, since it uses as much as digits as its factorization.

516366332407 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 46.

The spelling of 516366332407 in words is "five hundred sixteen billion, three hundred sixty-six million, three hundred thirty-two thousand, four hundred seven".