146216211005 has 4 divisors (see below), whose sum is σ = 175459453212. Its totient is φ = 116972968800.

The previous prime is 146216210999. The next prime is 146216211023. The reversal of 146216211005 is 500112612641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44711525401 + 101504685604 = 211451^2 + 318598^2 .

It is not a de Polignac number, because 146216211005 - 2⁶ = 146216210941 is a prime.

It is a super-2 number, since 2×146216211005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14621621096 + ... + 14621621105.

It is an arithmetic number, because the mean of its divisors is an integer number (43864863303).

Almost surely, 2^146216211005 is an apocalyptic number.

It is an amenable number.

146216211005 is a deficient number, since it is larger than the sum of its proper divisors (29243242207).

146216211005 is an equidigital number, since it uses as much as digits as its factorization.

146216211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29243242206.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 146216211005 its reverse (500112612641), we get a palindrome (646328823646).

The spelling of 146216211005 in words is "one hundred forty-six billion, two hundred sixteen million, two hundred eleven thousand, five".