1067663613 has 8 divisors (see below), whose sum is σ = 1427138848. Its totient is φ = 709982064.

The previous prime is 1067663603. The next prime is 1067663621. The reversal of 1067663613 is 3163667601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1067663613 - 2⁶ = 1067663549 is a prime.

It is a super-2 number, since 2×1067663613² = 2279811181048427538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067663603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447031 + ... + 449412.

It is an arithmetic number, because the mean of its divisors is an integer number (178392356).

Almost surely, 2^1067663613 is an apocalyptic number.

It is an amenable number.

1067663613 is a deficient number, since it is larger than the sum of its proper divisors (359475235).

1067663613 is an equidigital number, since it uses as much as digits as its factorization.

1067663613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896843.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 1067663613 is about 32675.1222338953. The cubic root of 1067663613 is about 1022.0641313126.

The spelling of 1067663613 in words is "one billion, sixty-seven million, six hundred sixty-three thousand, six hundred thirteen".