162420755 has 8 divisors (see below), whose sum is σ = 222748512. Its totient is φ = 111374208.

The previous prime is 162420719. The next prime is 162420773. The reversal of 162420755 is 557024261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162420755 - 2⁶ = 162420691 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320262 + ... + 2320331.

It is an arithmetic number, because the mean of its divisors is an integer number (27843564).

Almost surely, 2^162420755 is an apocalyptic number.

162420755 is a deficient number, since it is larger than the sum of its proper divisors (60327757).

162420755 is an equidigital number, since it uses as much as digits as its factorization.

162420755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640605.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 162420755 is about 12744.4401603209. The cubic root of 162420755 is about 545.6077220519.

The spelling of 162420755 in words is "one hundred sixty-two million, four hundred twenty thousand, seven hundred fifty-five".