1660162151 has 2 divisors, whose sum is σ = 1660162152. Its totient is φ = 1660162150.

The previous prime is 1660162129. The next prime is 1660162181. The reversal of 1660162151 is 1512610661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1660162151 - 2⁶ = 1660162087 is a prime.

It is a super-2 number, since 2×1660162151² = 5512276735225893602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660162111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830081075 + 830081076.

It is an arithmetic number, because the mean of its divisors is an integer number (830081076).

Almost surely, 2^1660162151 is an apocalyptic number.

1660162151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660162151 is an equidigital number, since it uses as much as digits as its factorization.

1660162151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1660162151 is about 40745.0874462186. The cubic root of 1660162151 is about 1184.0866994184.

The spelling of 1660162151 in words is "one billion, six hundred sixty million, one hundred sixty-two thousand, one hundred fifty-one".