3029780161 has 4 divisors (see below), whose sum is σ = 3029890500. Its totient is φ = 3029669824.

The previous prime is 3029780107. The next prime is 3029780167. The reversal of 3029780161 is 1610879203.

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 can be written as a sum of positive squares in 2 ways, for example, as 796650625 + 2233129536 = 28225^2 + 47256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3029780161 - 2²³ = 3021391553 is a prime.

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 3029780161.

It is not an unprimeable number, because it can be changed into a prime (3029780167) 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, 22005 + ... + 80893.

It is an arithmetic number, because the mean of its divisors is an integer number (757472625).

Almost surely, 2^3029780161 is an apocalyptic number.

It is an amenable number.

3029780161 is a deficient number, since it is larger than the sum of its proper divisors (110339).

3029780161 is an equidigital number, since it uses as much as digits as its factorization.

3029780161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110338.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 3029780161 is about 55043.4388551442. The cubic root of 3029780161 is about 1447.0061352041.

The spelling of 3029780161 in words is "three billion, twenty-nine million, seven hundred eighty thousand, one hundred sixty-one".