1068657213 has 16 divisors (see below), whose sum is σ = 1624746816. Its totient is φ = 618950400.

The previous prime is 1068657209. The next prime is 1068657241. The reversal of 1068657213 is 3127568601.

It is not a de Polignac number, because 1068657213 - 2² = 1068657209 is a prime.

It is a super-2 number, since 2×1068657213² = 2284056477793854738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068657313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805263 + ... + 806588.

It is an arithmetic number, because the mean of its divisors is an integer number (101546676).

Almost surely, 2^1068657213 is an apocalyptic number.

1068657213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1068657213 is a deficient number, since it is larger than the sum of its proper divisors (556089603).

1068657213 is a wasteful number, since it uses less digits than its factorization.

1068657213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611884.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1068657213 is about 32690.3229259058. The cubic root of 1068657213 is about 1022.3810875917.

The spelling of 1068657213 in words is "one billion, sixty-eight million, six hundred fifty-seven thousand, two hundred thirteen".