162681493487 has 2 divisors, whose sum is σ = 162681493488. Its totient is φ = 162681493486.

The previous prime is 162681493409. The next prime is 162681493501. The reversal of 162681493487 is 784394186261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162681493487 - 2¹⁸ = 162681231343 is a prime.

It is a super-3 number, since 3×162681493487³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162681493187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81340746743 + 81340746744.

It is an arithmetic number, because the mean of its divisors is an integer number (81340746744).

Almost surely, 2^162681493487 is an apocalyptic number.

162681493487 is a deficient number, since it is larger than the sum of its proper divisors (1).

162681493487 is an equidigital number, since it uses as much as digits as its factorization.

162681493487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The spelling of 162681493487 in words is "one hundred sixty-two billion, six hundred eighty-one million, four hundred ninety-three thousand, four hundred eighty-seven".