1606422632 has 8 divisors (see below), whose sum is σ = 3012042450. Its totient is φ = 803211312.

The previous prime is 1606422613. The next prime is 1606422637. The reversal of 1606422632 is 2362246061.

It can be written as a sum of positive squares in only one way, i.e., 1247926276 + 358496356 = 35326^2 + 18934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1606422637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100401407 + ... + 100401422.

Almost surely, 2^1606422632 is an apocalyptic number.

It is an amenable number.

1606422632 is a deficient number, since it is larger than the sum of its proper divisors (1405619818).

1606422632 is a wasteful number, since it uses less digits than its factorization.

1606422632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200802835 (or 200802831 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1606422632 is about 40080.2024944985. The cubic root of 1606422632 is about 1171.1699967337.

Adding to 1606422632 its reverse (2362246061), we get a palindrome (3968668693).

The spelling of 1606422632 in words is "one billion, six hundred six million, four hundred twenty-two thousand, six hundred thirty-two".