1606842437 has 16 divisors (see below), whose sum is σ = 1677656064. Its totient is φ = 1537326000.

The previous prime is 1606842379. The next prime is 1606842451. The reversal of 1606842437 is 7342486061.

It is a cyclic number.

It is not a de Polignac number, because 1606842437 - 2²² = 1602648133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1606842394 and 1606842403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606842037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091612 + ... + 1093082.

It is an arithmetic number, because the mean of its divisors is an integer number (104853504).

Almost surely, 2^1606842437 is an apocalyptic number.

It is an amenable number.

1606842437 is a deficient number, since it is larger than the sum of its proper divisors (70813627).

1606842437 is a wasteful number, since it uses less digits than its factorization.

1606842437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 1606842437 is about 40085.4392142583. The cubic root of 1606842437 is about 1171.2720081198.

The spelling of 1606842437 in words is "one billion, six hundred six million, eight hundred forty-two thousand, four hundred thirty-seven".