1516649867 has 2 divisors, whose sum is σ = 1516649868. Its totient is φ = 1516649866.

The previous prime is 1516649851. The next prime is 1516649881. The reversal of 1516649867 is 7689466151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1516649867 - 2⁴ = 1516649851 is a prime.

It is a super-2 number, since 2×1516649867² = 4600453638142235378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1516642867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758324933 + 758324934.

It is an arithmetic number, because the mean of its divisors is an integer number (758324934).

Almost surely, 2^1516649867 is an apocalyptic number.

1516649867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516649867 is an equidigital number, since it uses as much as digits as its factorization.

1516649867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 1516649867 is about 38944.1891300872. The cubic root of 1516649867 is about 1148.9340764575.

The spelling of 1516649867 in words is "one billion, five hundred sixteen million, six hundred forty-nine thousand, eight hundred sixty-seven".