1616424344 has 16 divisors (see below), whose sum is σ = 3104718120. Its totient is φ = 788499520.

The previous prime is 1616424317. The next prime is 1616424353. The reversal of 1616424344 is 4434246161.

It is a super-2 number, since 2×1616424344² = 5225655319751660672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2463734 + ... + 2464389.

Almost surely, 2^1616424344 is an apocalyptic number.

It is an amenable number.

1616424344 is a deficient number, since it is larger than the sum of its proper divisors (1488293776).

1616424344 is a wasteful number, since it uses less digits than its factorization.

1616424344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928170 (or 4928166 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 1616424344 is about 40204.7801138123. The cubic root of 1616424344 is about 1173.5955681808.

The spelling of 1616424344 in words is "one billion, six hundred sixteen million, four hundred twenty-four thousand, three hundred forty-four".