1662457151 has 2 divisors, whose sum is σ = 1662457152. Its totient is φ = 1662457150.

The previous prime is 1662457141. The next prime is 1662457171. The reversal of 1662457151 is 1517542661.

It is a weak prime.

It is an emirp because it is prime and its reverse (1517542661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1662457151 - 2⁶ = 1662457087 is a prime.

It is a super-2 number, since 2×1662457151² = 5527527557822073602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662457141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831228575 + 831228576.

It is an arithmetic number, because the mean of its divisors is an integer number (831228576).

Almost surely, 2^1662457151 is an apocalyptic number.

1662457151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662457151 is an equidigital number, since it uses as much as digits as its factorization.

1662457151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 1662457151 is about 40773.2406242133. The cubic root of 1662457151 is about 1184.6320733998.

The spelling of 1662457151 in words is "one billion, six hundred sixty-two million, four hundred fifty-seven thousand, one hundred fifty-one".