1026397066 has 16 divisors (see below), whose sum is σ = 1630859400. Its totient is φ = 482803200.

The previous prime is 1026397037. The next prime is 1026397121. The reversal of 1026397066 is 6607936201.

It can be written as a sum of positive squares in 4 ways, for example, as 994077841 + 32319225 = 31529^2 + 5685^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98716 + ... + 108616.

Almost surely, 2^1026397066 is an apocalyptic number.

1026397066 is a deficient number, since it is larger than the sum of its proper divisors (604462334).

1026397066 is a wasteful number, since it uses less digits than its factorization.

1026397066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1026397066 is about 32037.4322629015. The cubic root of 1026397066 is about 1008.7227150179.

The spelling of 1026397066 in words is "one billion, twenty-six million, three hundred ninety-seven thousand, sixty-six".