2156116510 has 16 divisors (see below), whose sum is σ = 3918691296. Its totient is φ = 854072928.

The previous prime is 2156116483. The next prime is 2156116513. The reversal of 2156116510 is 156116512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156116513) 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 7 ways as a sum of consecutive naturals, for example, 1045629 + ... + 1047688.

It is an arithmetic number, because the mean of its divisors is an integer number (244918206).

Almost surely, 2^2156116510 is an apocalyptic number.

2156116510 is a deficient number, since it is larger than the sum of its proper divisors (1762574786).

2156116510 is a wasteful number, since it uses less digits than its factorization.

2156116510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093427.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2156116510 is about 46434.0016582676. The cubic root of 2156116510 is about 1291.8856524635.

The spelling of 2156116510 in words is "two billion, one hundred fifty-six million, one hundred sixteen thousand, five hundred ten".