1021416516 has 36 divisors (see below), whose sum is σ = 2717806000. Its totient is φ = 322552368.

The previous prime is 1021416493. The next prime is 1021416521. The reversal of 1021416516 is 6156141201.

1021416516 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 4 + 1 + 651 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1021416516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745966 + ... + 747333.

Almost surely, 2^1021416516 is an apocalyptic number.

It is an amenable number.

1021416516 is an abundant number, since it is smaller than the sum of its proper divisors (1696389484).

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

1021416516 is a wasteful number, since it uses less digits than its factorization.

1021416516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493328 (or 1493323 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1021416516 is about 31959.6075695557. The cubic root of 1021416516 is about 1007.0884734867.

Adding to 1021416516 its reverse (6156141201), we get a palindrome (7177557717).

The spelling of 1021416516 in words is "one billion, twenty-one million, four hundred sixteen thousand, five hundred sixteen".