1516650001 has 2 divisors, whose sum is σ = 1516650002. Its totient is φ = 1516650000.

The previous prime is 1516649941. The next prime is 1516650029. The reversal of 1516650001 is 1000566151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1486179601 + 30470400 = 38551^2 + 5520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516650001 - 2⁹ = 1516649489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1516650101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758325000 + 758325001.

It is an arithmetic number, because the mean of its divisors is an integer number (758325001).

Almost surely, 2^1516650001 is an apocalyptic number.

It is an amenable number.

1516650001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516650001 is an equidigital number, since it uses as much as digits as its factorization.

1516650001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1516650001 is about 38944.1908504978. The cubic root of 1516650001 is about 1148.9341102946.

The spelling of 1516650001 in words is "one billion, five hundred sixteen million, six hundred fifty thousand, one".