660022151 has 2 divisors, whose sum is σ = 660022152. Its totient is φ = 660022150.

The previous prime is 660022079. The next prime is 660022183. The reversal of 660022151 is 151220066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660022151 - 2²⁶ = 592913287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660024151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330011075 + 330011076.

It is an arithmetic number, because the mean of its divisors is an integer number (330011076).

Almost surely, 2^660022151 is an apocalyptic number.

660022151 is a deficient number, since it is larger than the sum of its proper divisors (1).

660022151 is an equidigital number, since it uses as much as digits as its factorization.

660022151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 660022151 is about 25690.8962669659. The cubic root of 660022151 is about 870.6685093934.

The spelling of 660022151 in words is "six hundred sixty million, twenty-two thousand, one hundred fifty-one".