162420555 has 16 divisors (see below), whose sum is σ = 283497984. Its totient is φ = 78749280.

The previous prime is 162420551. The next prime is 162420571. The reversal of 162420555 is 555024261.

It is not a de Polignac number, because 162420555 - 2² = 162420551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162420551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492019 + ... + 492348.

It is an arithmetic number, because the mean of its divisors is an integer number (17718624).

Almost surely, 2^162420555 is an apocalyptic number.

162420555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162420555 is a deficient number, since it is larger than the sum of its proper divisors (121077429).

162420555 is a wasteful number, since it uses less digits than its factorization.

162420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984386.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 162420555 is about 12744.4323137596. The cubic root of 162420555 is about 545.6074981035.

The spelling of 162420555 in words is "one hundred sixty-two million, four hundred twenty thousand, five hundred fifty-five".