1067406605 has 18 divisors (see below), whose sum is σ = 1353611466. Its totient is φ = 807929856.

The previous prime is 1067406577. The next prime is 1067406607. The reversal of 1067406605 is 5066047601.

It can be written as a sum of positive squares in 3 ways, for example, as 47306884 + 1020099721 = 6878^2 + 31939^2 .

It is not a de Polignac number, because 1067406605 - 2²⁸ = 798971149 is a prime.

It is a super-2 number, since 2×1067406605² = 2278713720795252050, 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 (1067406607) 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 17 ways as a sum of consecutive naturals, for example, 1387661 + ... + 1388429.

It is an arithmetic number, because the mean of its divisors is an integer number (75200637).

Almost surely, 2^1067406605 is an apocalyptic number.

It is an amenable number.

1067406605 is a deficient number, since it is larger than the sum of its proper divisors (286204861).

1067406605 is an frugal number, since it uses more digits than its factorization.

1067406605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1067406605 is about 32671.1892192494. The cubic root of 1067406605 is about 1021.9821143005.

The spelling of 1067406605 in words is "one billion, sixty-seven million, four hundred six thousand, six hundred five".