1516320007 has 2 divisors, whose sum is σ = 1516320008. Its totient is φ = 1516320006.

The previous prime is 1516319999. The next prime is 1516320017. The reversal of 1516320007 is 7000236151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1516320007 - 2³ = 1516319999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516320017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758160003 + 758160004.

It is an arithmetic number, because the mean of its divisors is an integer number (758160004).

Almost surely, 2^1516320007 is an apocalyptic number.

1516320007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516320007 is an equidigital number, since it uses as much as digits as its factorization.

1516320007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1516320007 is about 38939.9538648931. The cubic root of 1516320007 is about 1148.8507755627.

Adding to 1516320007 its reverse (7000236151), we get a palindrome (8516556158).

The spelling of 1516320007 in words is "one billion, five hundred sixteen million, three hundred twenty thousand, seven".