1061620066 has 16 divisors (see below), whose sum is σ = 1718466624. Its totient is φ = 488966544.

The previous prime is 1061620031. The next prime is 1061620103. The reversal of 1061620066 is 6600261601.

1061620066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061620066² = 2254074329067688712, which contains 22 as substring.

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, 29260 + ... + 54583.

It is an arithmetic number, because the mean of its divisors is an integer number (107404164).

Almost surely, 2^1061620066 is an apocalyptic number.

1061620066 is a deficient number, since it is larger than the sum of its proper divisors (656846558).

1061620066 is a wasteful number, since it uses less digits than its factorization.

1061620066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84345.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1061620066 is about 32582.5116588639. The cubic root of 1061620066 is about 1020.1320045741.

Adding to 1061620066 its reverse (6600261601), we get a palindrome (7661881667).

The spelling of 1061620066 in words is "one billion, sixty-one million, six hundred twenty thousand, sixty-six".