1516959494 has 8 divisors (see below), whose sum is σ = 2286990288. Its totient is φ = 754629400.

The previous prime is 1516959359. The next prime is 1516959551. The reversal of 1516959494 is 4949596151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1516959494² = 4602332212873472072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1924682 + ... + 1925469.

It is an arithmetic number, because the mean of its divisors is an integer number (285873786).

Almost surely, 2^1516959494 is an apocalyptic number.

1516959494 is a deficient number, since it is larger than the sum of its proper divisors (770030794).

1516959494 is a wasteful number, since it uses less digits than its factorization.

1516959494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850350.

The product of its digits is 1749600, while the sum is 53.

The square root of 1516959494 is about 38948.1641929373. The cubic root of 1516959494 is about 1149.0122568412.

The spelling of 1516959494 in words is "one billion, five hundred sixteen million, nine hundred fifty-nine thousand, four hundred ninety-four".