162087551 has 2 divisors, whose sum is σ = 162087552. Its totient is φ = 162087550.

The previous prime is 162087493. The next prime is 162087589. The reversal of 162087551 is 155780261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162087551 - 2¹⁰ = 162086527 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 (162087151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81043775 + 81043776.

It is an arithmetic number, because the mean of its divisors is an integer number (81043776).

Almost surely, 2^162087551 is an apocalyptic number.

162087551 is a deficient number, since it is larger than the sum of its proper divisors (1).

162087551 is an equidigital number, since it uses as much as digits as its factorization.

162087551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 162087551 is about 12731.3609248972. The cubic root of 162087551 is about 545.2343643151.

The spelling of 162087551 in words is "one hundred sixty-two million, eighty-seven thousand, five hundred fifty-one".