1016938947385 has 16 divisors (see below), whose sum is σ = 1240449369552. Its totient is φ = 800138592000.

The previous prime is 1016938947383. The next prime is 1016938947461. The reversal of 1016938947385 is 5837498396101.

1016938947385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 278432462889 + 738506484496 = 527667^2 + 859364^2 .

It is not a de Polignac number, because 1016938947385 - 2¹ = 1016938947383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016938947383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189735 + ... + 3494035.

It is an arithmetic number, because the mean of its divisors is an integer number (77528085597).

Almost surely, 2^{1016938947385} is an apocalyptic number.

It is an amenable number.

1016938947385 is a deficient number, since it is larger than the sum of its proper divisors (223510422167).

1016938947385 is a wasteful number, since it uses less digits than its factorization.

1016938947385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315324.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1016938947385 in words is "one trillion, sixteen billion, nine hundred thirty-eight million, nine hundred forty-seven thousand, three hundred eighty-five".