1631096066 has 16 divisors (see below), whose sum is σ = 2476415160. Its totient is φ = 805660800.

The previous prime is 1631096057. The next prime is 1631096087. The reversal of 1631096066 is 6606901361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1625783041 + 5313025 = 40321^2 + 2305^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83480 + ... + 101148.

Almost surely, 2^1631096066 is an apocalyptic number.

1631096066 is a deficient number, since it is larger than the sum of its proper divisors (845319094).

1631096066 is a wasteful number, since it uses less digits than its factorization.

1631096066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1631096066 is about 40386.8303534704. The cubic root of 1631096066 is about 1177.1356520177.

The spelling of 1631096066 in words is "one billion, six hundred thirty-one million, ninety-six thousand, sixty-six".