1056667317 has 16 divisors (see below), whose sum is σ = 1495946880. Its totient is φ = 661148672.

The previous prime is 1056667303. The next prime is 1056667343. The reversal of 1056667317 is 7137666501.

It is a cyclic number.

It is not a de Polignac number, because 1056667317 - 2¹⁰ = 1056666293 is a prime.

It is a super-2 number, since 2×1056667317² = 2233091637631956978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056667217) 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, 10548 + ... + 47165.

It is an arithmetic number, because the mean of its divisors is an integer number (93496680).

Almost surely, 2^1056667317 is an apocalyptic number.

1056667317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1056667317 is a deficient number, since it is larger than the sum of its proper divisors (439279563).

1056667317 is a wasteful number, since it uses less digits than its factorization.

1056667317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58092.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1056667317 is about 32506.4196275136. The cubic root of 1056667317 is about 1018.5431325632.

The spelling of 1056667317 in words is "one billion, fifty-six million, six hundred sixty-seven thousand, three hundred seventeen".