1664162413 has 8 divisors (see below), whose sum is σ = 1700150400. Its totient is φ = 1628547648.

The previous prime is 1664162377. The next prime is 1664162449. The reversal of 1664162413 is 3142614661.

It is an interprime number because it is at equal distance from previous prime (1664162377) and next prime (1664162449).

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

It is a cyclic number.

It is not a de Polignac number, because 1664162413 - 2⁹ = 1664161901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664162483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84283 + ... + 102136.

It is an arithmetic number, because the mean of its divisors is an integer number (212518800).

Almost surely, 2^1664162413 is an apocalyptic number.

It is an amenable number.

1664162413 is a deficient number, since it is larger than the sum of its proper divisors (35987987).

1664162413 is a wasteful number, since it uses less digits than its factorization.

1664162413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186611.

The product of its digits is 20736, while the sum is 34.

The square root of 1664162413 is about 40794.1467982847. The cubic root of 1664162413 is about 1185.0369796242.

The spelling of 1664162413 in words is "one billion, six hundred sixty-four million, one hundred sixty-two thousand, four hundred thirteen".