1516464199 has 4 divisors (see below), whose sum is σ = 1534734936. Its totient is φ = 1498193464.

The previous prime is 1516464149. The next prime is 1516464227. The reversal of 1516464199 is 9914646151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9914646151 = 521 ⋅19030031.

It is a cyclic number.

It is not a de Polignac number, because 1516464199 - 2²¹ = 1514367047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516464149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135244 + ... + 9135409.

It is an arithmetic number, because the mean of its divisors is an integer number (383683734).

Almost surely, 2^1516464199 is an apocalyptic number.

1516464199 is a deficient number, since it is larger than the sum of its proper divisors (18270737).

1516464199 is an equidigital number, since it uses as much as digits as its factorization.

1516464199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270736.

The product of its digits is 233280, while the sum is 46.

The square root of 1516464199 is about 38941.8052868636. The cubic root of 1516464199 is about 1148.8871904442.

The spelling of 1516464199 in words is "one billion, five hundred sixteen million, four hundred sixty-four thousand, one hundred ninety-nine".