1016513512 has 16 divisors (see below), whose sum is σ = 2178243360. Its totient is φ = 435648624.

The previous prime is 1016513473. The next prime is 1016513513. The reversal of 1016513512 is 2153156101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1016513513) 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, 9075958 + ... + 9076069.

It is an arithmetic number, because the mean of its divisors is an integer number (136140210).

Almost surely, 2^1016513512 is an apocalyptic number.

It is an amenable number.

1016513512 is an abundant number, since it is smaller than the sum of its proper divisors (1161729848).

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

1016513512 is a wasteful number, since it uses less digits than its factorization.

1016513512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18152040 (or 18152036 counting only the distinct ones).

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

The square root of 1016513512 is about 31882.8090355916. The cubic root of 1016513512 is about 1005.4744793855.

Adding to 1016513512 its reverse (2153156101), we get a palindrome (3169669613).

The spelling of 1016513512 in words is "one billion, sixteen million, five hundred thirteen thousand, five hundred twelve".