2160402077 has 4 divisors (see below), whose sum is σ = 2189996700. Its totient is φ = 2130807456.

The previous prime is 2160402073. The next prime is 2160402091. The reversal of 2160402077 is 7702040612.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1108956601 + 1051445476 = 33301^2 + 32426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160402077 - 2² = 2160402073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160402073) 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, 14797202 + ... + 14797347.

It is an arithmetic number, because the mean of its divisors is an integer number (547499175).

Almost surely, 2^2160402077 is an apocalyptic number.

It is an amenable number.

2160402077 is a deficient number, since it is larger than the sum of its proper divisors (29594623).

2160402077 is an equidigital number, since it uses as much as digits as its factorization.

2160402077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29594622.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2160402077 is about 46480.1256129972. The cubic root of 2160402077 is about 1292.7410172499.

Adding to 2160402077 its reverse (7702040612), we get a palindrome (9862442689).

The spelling of 2160402077 in words is "two billion, one hundred sixty million, four hundred two thousand, seventy-seven".