2043401616 has 45 divisors (see below), whose sum is σ = 5720204971. Its totient is φ = 680953056.

The previous prime is 2043401573. The next prime is 2043401617. The reversal of 2043401616 is 6161043402.

The square root of 2043401616 is 45204.

It is a perfect power (a square), and thus also a powerful number.

2043401616 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 40 + 1 + 616 = 666.

It is a super-2 number, since 2×2043401616² = 8350980328542822912, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043401616.

It is not an unprimeable number, because it can be changed into a prime (2043401617) 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 8 ways as a sum of consecutive naturals, for example, 540565 + ... + 544331.

Almost surely, 2^2043401616 is an apocalyptic number.

2043401616 is the 45204-th square number.

It is an amenable number.

2043401616 is an abundant number, since it is smaller than the sum of its proper divisors (3676803355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043401616 is an frugal number, since it uses more digits than its factorization.

2043401616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The cubic root of 2043401616 is about 1268.9696762609.

The spelling of 2043401616 in words is "two billion, forty-three million, four hundred one thousand, six hundred sixteen".