1616304361 has 8 divisors (see below), whose sum is σ = 1847530944. Its totient is φ = 1385159280.

The previous prime is 1616304353. The next prime is 1616304379. The reversal of 1616304361 is 1634036161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1616304361 - 2³ = 1616304353 is a prime.

It is a super-2 number, since 2×1616304361² = 5224879574775236642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616304341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30651 + ... + 64591.

It is an arithmetic number, because the mean of its divisors is an integer number (230941368).

Almost surely, 2^1616304361 is an apocalyptic number.

It is an amenable number.

1616304361 is a deficient number, since it is larger than the sum of its proper divisors (231226583).

1616304361 is an equidigital number, since it uses as much as digits as its factorization.

1616304361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40751.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1616304361 is about 40203.2879376799. The cubic root of 1616304361 is about 1173.5665298074.

The spelling of 1616304361 in words is "one billion, six hundred sixteen million, three hundred four thousand, three hundred sixty-one".