1616734099 has 4 divisors (see below), whose sum is σ = 1656166680. Its totient is φ = 1577301520.

The previous prime is 1616734087. The next prime is 1616734121. The reversal of 1616734099 is 9904376161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1616734099 - 2¹³ = 1616725907 is a prime.

It is a super-2 number, since 2×1616734099² = 5227658293738683602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616731099) 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, 19716229 + ... + 19716310.

It is an arithmetic number, because the mean of its divisors is an integer number (414041670).

Almost surely, 2^1616734099 is an apocalyptic number.

1616734099 is a deficient number, since it is larger than the sum of its proper divisors (39432581).

1616734099 is an equidigital number, since it uses as much as digits as its factorization.

1616734099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39432580.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1616734099 is about 40208.6321453491. The cubic root of 1616734099 is about 1173.6705286696.

The spelling of 1616734099 in words is "one billion, six hundred sixteen million, seven hundred thirty-four thousand, ninety-nine".