1516524990 has 16 divisors (see below), whose sum is σ = 3639660048. Its totient is φ = 404406656.

The previous prime is 1516524979. The next prime is 1516525007. The reversal of 1516524990 is 994256151.

It is a super-3 number, since 3×1516524990³ (a number of 29 digits) contains 333 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 7 ways as a sum of consecutive naturals, for example, 25275387 + ... + 25275446.

It is an arithmetic number, because the mean of its divisors is an integer number (227478753).

Almost surely, 2^1516524990 is an apocalyptic number.

1516524990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1516524990 is an abundant number, since it is smaller than the sum of its proper divisors (2123135058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516524990 is a wasteful number, since it uses less digits than its factorization.

1516524990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550843.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1516524990 is about 38942.5858155310. The cubic root of 1516524990 is about 1148.9025421789.

The spelling of 1516524990 in words is "one billion, five hundred sixteen million, five hundred twenty-four thousand, nine hundred ninety".