1616104043 has 4 divisors (see below), whose sum is σ = 1616194560. Its totient is φ = 1616013528.

The previous prime is 1616103989. The next prime is 1616104069. The reversal of 1616104043 is 3404016161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1616104043 - 2¹⁴ = 1616087659 is a prime.

It is a super-2 number, since 2×1616104043² = 5223584555601891698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616104843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8555 + ... + 57492.

It is an arithmetic number, because the mean of its divisors is an integer number (404048640).

Almost surely, 2^1616104043 is an apocalyptic number.

1616104043 is a deficient number, since it is larger than the sum of its proper divisors (90517).

1616104043 is an equidigital number, since it uses as much as digits as its factorization.

1616104043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90516.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1616104043 is about 40200.7965468347. The cubic root of 1616104043 is about 1173.5180454958.

The spelling of 1616104043 in words is "one billion, six hundred sixteen million, one hundred four thousand, forty-three".