1016693509 has 8 divisors (see below), whose sum is σ = 1095206112. Its totient is φ = 938224560.

The previous prime is 1016693507. The next prime is 1016693593. The reversal of 1016693509 is 9053966101.

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

It is not a de Polignac number, because 1016693509 - 2¹ = 1016693507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016693507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50154 + ... + 67444.

It is an arithmetic number, because the mean of its divisors is an integer number (136900764).

Almost surely, 2^1016693509 is an apocalyptic number.

It is an amenable number.

1016693509 is a deficient number, since it is larger than the sum of its proper divisors (78512603).

1016693509 is a wasteful number, since it uses less digits than its factorization.

1016693509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 1016693509 is about 31885.6317014420. The cubic root of 1016693509 is about 1005.5338233118.

The spelling of 1016693509 in words is "one billion, sixteen million, six hundred ninety-three thousand, five hundred nine".