1016689865953 has 8 divisors (see below), whose sum is σ = 1040927352608. Its totient is φ = 992479358304.

The previous prime is 1016689865951. The next prime is 1016689865981. The reversal of 1016689865953 is 3595689866101.

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

It is a cyclic number.

It is not a de Polignac number, because 1016689865953 - 2¹ = 1016689865951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016689865951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668475 + ... + 6819232.

It is an arithmetic number, because the mean of its divisors is an integer number (130115919076).

Almost surely, 2^{1016689865953} is an apocalyptic number.

It is an amenable number.

1016689865953 is a deficient number, since it is larger than the sum of its proper divisors (24237486655).

1016689865953 is a wasteful number, since it uses less digits than its factorization.

1016689865953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489503.

The product of its (nonzero) digits is 83980800, while the sum is 67.

The spelling of 1016689865953 in words is "one trillion, sixteen billion, six hundred eighty-nine million, eight hundred sixty-five thousand, nine hundred fifty-three".