162428551 has 2 divisors, whose sum is σ = 162428552. Its totient is φ = 162428550.

The previous prime is 162428531. The next prime is 162428611. The reversal of 162428551 is 155824261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162428551 - 2²³ = 154039943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162428531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81214275 + 81214276.

It is an arithmetic number, because the mean of its divisors is an integer number (81214276).

Almost surely, 2^162428551 is an apocalyptic number.

162428551 is a deficient number, since it is larger than the sum of its proper divisors (1).

162428551 is an equidigital number, since it uses as much as digits as its factorization.

162428551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 34.

The square root of 162428551 is about 12744.7460155156. The cubic root of 162428551 is about 545.6164514160.

The spelling of 162428551 in words is "one hundred sixty-two million, four hundred twenty-eight thousand, five hundred fifty-one".