162408551 has 2 divisors, whose sum is σ = 162408552. Its totient is φ = 162408550.

The previous prime is 162408541. The next prime is 162408563. The reversal of 162408551 is 155804261.

162408551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (155804261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162408551 - 2⁶ = 162408487 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 (162408541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81204275 + 81204276.

It is an arithmetic number, because the mean of its divisors is an integer number (81204276).

Almost surely, 2^162408551 is an apocalyptic number.

162408551 is a deficient number, since it is larger than the sum of its proper divisors (1).

162408551 is an equidigital number, since it uses as much as digits as its factorization.

162408551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 162408551 is about 12743.9613543042. The cubic root of 162408551 is about 545.5940563858.

The spelling of 162408551 in words is "one hundred sixty-two million, four hundred eight thousand, five hundred fifty-one".