6621180151 has 2 divisors, whose sum is σ = 6621180152. Its totient is φ = 6621180150.

The previous prime is 6621180149. The next prime is 6621180197. The reversal of 6621180151 is 1510811266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6621180151 - 2¹ = 6621180149 is a prime.

Together with 6621180149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6621180101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310590075 + 3310590076.

It is an arithmetic number, because the mean of its divisors is an integer number (3310590076).

Almost surely, 2^6621180151 is an apocalyptic number.

6621180151 is a deficient number, since it is larger than the sum of its proper divisors (1).

6621180151 is an equidigital number, since it uses as much as digits as its factorization.

6621180151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 6621180151 is about 81370.6344512564. The cubic root of 6621180151 is about 1877.7818405584.

The spelling of 6621180151 in words is "six billion, six hundred twenty-one million, one hundred eighty thousand, one hundred fifty-one".