1616359345 has 16 divisors (see below), whose sum is σ = 1968913152. Its totient is φ = 1273708800.

The previous prime is 1616359343. The next prime is 1616359387. The reversal of 1616359345 is 5439536161.

It is a happy number.

It is not a de Polignac number, because 1616359345 - 2¹ = 1616359343 is a prime.

It is a super-2 number, since 2×1616359345² = 5225235064337658050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616359343) 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, 83320 + ... + 100870.

It is an arithmetic number, because the mean of its divisors is an integer number (123057072).

Almost surely, 2^1616359345 is an apocalyptic number.

It is an amenable number.

1616359345 is a deficient number, since it is larger than the sum of its proper divisors (352553807).

1616359345 is a wasteful number, since it uses less digits than its factorization.

1616359345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17832.

The product of its digits is 291600, while the sum is 43.

The square root of 1616359345 is about 40203.9717565317. The cubic root of 1616359345 is about 1173.5798372536.

The spelling of 1616359345 in words is "one billion, six hundred sixteen million, three hundred fifty-nine thousand, three hundred forty-five".