1631466113 has 4 divisors (see below), whose sum is σ = 1642415700. Its totient is φ = 1620516528.

The previous prime is 1631466097. The next prime is 1631466127. The reversal of 1631466113 is 3116641361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286557184 + 1344908929 = 16928^2 + 36673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1631466113 - 2⁴ = 1631466097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1631466113.

It is not an unprimeable number, because it can be changed into a prime (1631466143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474570 + ... + 5474867.

It is an arithmetic number, because the mean of its divisors is an integer number (410603925).

Almost surely, 2^1631466113 is an apocalyptic number.

It is an amenable number.

1631466113 is a deficient number, since it is larger than the sum of its proper divisors (10949587).

1631466113 is a wasteful number, since it uses less digits than its factorization.

1631466113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949586.

The product of its digits is 7776, while the sum is 32.

The square root of 1631466113 is about 40391.4113766776. The cubic root of 1631466113 is about 1177.2246642650.

The spelling of 1631466113 in words is "one billion, six hundred thirty-one million, four hundred sixty-six thousand, one hundred thirteen".