1616012059 has 4 divisors (see below), whose sum is σ = 1616205880. Its totient is φ = 1615818240.

The previous prime is 1616012033. The next prime is 1616012063. The reversal of 1616012059 is 9502106161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9502106161 = 48751 ⋅194911.

It is a cyclic number.

It is not a de Polignac number, because 1616012059 - 2¹⁵ = 1615979291 is a prime.

It is a super-2 number, since 2×1616012059² = 5222989949666838962, 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 1616012059.

It is not an unprimeable number, because it can be changed into a prime (1616012159) by changing a digit.

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, 83814 + ... + 101275.

It is an arithmetic number, because the mean of its divisors is an integer number (404051470).

Almost surely, 2^1616012059 is an apocalyptic number.

1616012059 is a deficient number, since it is larger than the sum of its proper divisors (193821).

1616012059 is an equidigital number, since it uses as much as digits as its factorization.

1616012059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193820.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1616012059 is about 40199.6524736222. The cubic root of 1616012059 is about 1173.4957806479.

The spelling of 1616012059 in words is "one billion, six hundred sixteen million, twelve thousand, fifty-nine".