1606463465 has 4 divisors (see below), whose sum is σ = 1927756164. Its totient is φ = 1285170768.

The previous prime is 1606463459. The next prime is 1606463533. The reversal of 1606463465 is 5643646061.

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 641304976 + 965158489 = 25324^2 + 31067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606463465 - 2⁶ = 1606463401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160646342 + ... + 160646351.

It is an arithmetic number, because the mean of its divisors is an integer number (481939041).

Almost surely, 2^1606463465 is an apocalyptic number.

It is an amenable number.

1606463465 is a deficient number, since it is larger than the sum of its proper divisors (321292699).

1606463465 is an equidigital number, since it uses as much as digits as its factorization.

1606463465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321292698.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 1606463465 is about 40080.7118824005. The cubic root of 1606463465 is about 1171.1799198134.

The spelling of 1606463465 in words is "one billion, six hundred six million, four hundred sixty-three thousand, four hundred sixty-five".