2116667053 has 4 divisors (see below), whose sum is σ = 2117300188. Its totient is φ = 2116033920.

The previous prime is 2116667039. The next prime is 2116667057. The reversal of 2116667053 is 3507666112.

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 1809821764 + 306845289 = 42542^2 + 17517^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116667053 - 2¹³ = 2116658861 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 (2116667057) 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, 311526 + ... + 318247.

It is an arithmetic number, because the mean of its divisors is an integer number (529325047).

Almost surely, 2^2116667053 is an apocalyptic number.

It is an amenable number.

2116667053 is a deficient number, since it is larger than the sum of its proper divisors (633135).

2116667053 is an equidigital number, since it uses as much as digits as its factorization.

2116667053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633134.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2116667053 is about 46007.2500047547. The cubic root of 2116667053 is about 1283.9580956116.

The spelling of 2116667053 in words is "two billion, one hundred sixteen million, six hundred sixty-seven thousand, fifty-three".