1016438193 has 16 divisors (see below), whose sum is σ = 1585089600. Its totient is φ = 641960640.

The previous prime is 1016438183. The next prime is 1016438207. The reversal of 1016438193 is 3918346101.

1016438193 is a `hidden beast` number, since 1 + 0 + 1 + 643 + 8 + 1 + 9 + 3 = 666.

It is not a de Polignac number, because 1016438193 - 2²² = 1012243889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016438113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990168 + ... + 991193.

It is an arithmetic number, because the mean of its divisors is an integer number (99068100).

Almost surely, 2^1016438193 is an apocalyptic number.

It is an amenable number.

1016438193 is a deficient number, since it is larger than the sum of its proper divisors (568651407).

1016438193 is a wasteful number, since it uses less digits than its factorization.

1016438193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981389 (or 1981383 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1016438193 is about 31881.6278285786. The cubic root of 1016438193 is about 1005.4496450861.

The spelling of 1016438193 in words is "one billion, sixteen million, four hundred thirty-eight thousand, one hundred ninety-three".