2167055641 has 2 divisors, whose sum is σ = 2167055642. Its totient is φ = 2167055640.

The previous prime is 2167055629. The next prime is 2167055677. The reversal of 2167055641 is 1465507612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1211318416 + 955737225 = 34804^2 + 30915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2167055641 - 2⁹ = 2167055129 is a prime.

It is a super-2 number, since 2×2167055641² = 9392260302379841762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2167055641.

It is not a weakly prime, because it can be changed into another prime (2167055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083527820 + 1083527821.

It is an arithmetic number, because the mean of its divisors is an integer number (1083527821).

Almost surely, 2^2167055641 is an apocalyptic number.

It is an amenable number.

2167055641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167055641 is an equidigital number, since it uses as much as digits as its factorization.

2167055641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2167055641 is about 46551.6448796388. The cubic root of 2167055641 is about 1294.0667766518.

The spelling of 2167055641 in words is "two billion, one hundred sixty-seven million, fifty-five thousand, six hundred forty-one".