1016219391369 has 64 divisors (see below), whose sum is σ = 1769606125056. Its totient is φ = 503391780864.

The previous prime is 1016219391353. The next prime is 1016219391371. The reversal of 1016219391369 is 9631939126101.

It is not a de Polignac number, because 1016219391369 - 2⁴ = 1016219391353 is a prime.

It is a super-2 number, since 2×1016219391369² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1016219391269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1881369 + ... + 2360505.

It is an arithmetic number, because the mean of its divisors is an integer number (27650095704).

Almost surely, 2^{1016219391369} is an apocalyptic number.

It is an amenable number.

1016219391369 is a deficient number, since it is larger than the sum of its proper divisors (753386733687).

1016219391369 is a wasteful number, since it uses less digits than its factorization.

1016219391369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479634.

The product of its (nonzero) digits is 472392, while the sum is 51.

The spelling of 1016219391369 in words is "one trillion, sixteen billion, two hundred nineteen million, three hundred ninety-one thousand, three hundred sixty-nine".