162505473 has 32 divisors (see below), whose sum is σ = 246032640. Its totient is φ = 94698240.

The previous prime is 162505463. The next prime is 162505477. The reversal of 162505473 is 374505261.

It is not a de Polignac number, because 162505473 - 2²² = 158311169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162505477) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 58588 + ... + 61298.

It is an arithmetic number, because the mean of its divisors is an integer number (7688520).

Almost surely, 2^162505473 is an apocalyptic number.

162505473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

162505473 is a deficient number, since it is larger than the sum of its proper divisors (83527167).

162505473 is a wasteful number, since it uses less digits than its factorization.

162505473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 162505473 is about 12747.7634508960. The cubic root of 162505473 is about 545.7025678138.

The spelling of 162505473 in words is "one hundred sixty-two million, five hundred five thousand, four hundred seventy-three".