1071620066 has 8 divisors (see below), whose sum is σ = 1753560144. Its totient is φ = 487100020.

The previous prime is 1071620057. The next prime is 1071620131. The reversal of 1071620066 is 6600261701.

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

It is a super-2 number, since 2×1071620066² = 2296739131707688712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24354980 + ... + 24355023.

It is an arithmetic number, because the mean of its divisors is an integer number (219195018).

Almost surely, 2^1071620066 is an apocalyptic number.

1071620066 is a deficient number, since it is larger than the sum of its proper divisors (681940078).

1071620066 is a wasteful number, since it uses less digits than its factorization.

1071620066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48710016.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1071620066 is about 32735.6085326056. The cubic root of 1071620066 is about 1023.3250665358.

Adding to 1071620066 its reverse (6600261701), we get a palindrome (7671881767).

The spelling of 1071620066 in words is "one billion, seventy-one million, six hundred twenty thousand, sixty-six".