162472819 has 8 divisors (see below), whose sum is σ = 176922000. Its totient is φ = 148613472.

The previous prime is 162472771. The next prime is 162472831. The reversal of 162472819 is 918274261.

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 162472819 - 2¹⁵ = 162440051 is a prime.

It is a super-2 number, since 2×162472819² = 52794833827613522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162472889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146884 + ... + 147985.

It is an arithmetic number, because the mean of its divisors is an integer number (22115250).

Almost surely, 2^162472819 is an apocalyptic number.

162472819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

162472819 is a deficient number, since it is larger than the sum of its proper divisors (14449181).

162472819 is a wasteful number, since it uses less digits than its factorization.

162472819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294917.

The product of its digits is 48384, while the sum is 40.

The square root of 162472819 is about 12746.4826128623. The cubic root of 162472819 is about 545.6660140392. Note that the first 3 decimals are identical.

The spelling of 162472819 in words is "one hundred sixty-two million, four hundred seventy-two thousand, eight hundred nineteen".