146216606104221 has 8 divisors (see below), whose sum is σ = 195010531435104. Its totient is φ = 97450209088080.

The previous prime is 146216606104201. The next prime is 146216606104243. The reversal of 146216606104221 is 122401606612641.

It is a happy number.

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

It is not a de Polignac number, because 146216606104221 - 2⁵ = 146216606104189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146216606104201) 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, 6882066291 + ... + 6882087536.

It is an arithmetic number, because the mean of its divisors is an integer number (24376316429388).

Almost surely, 2^{146216606104221} is an apocalyptic number.

It is an amenable number.

146216606104221 is a deficient number, since it is larger than the sum of its proper divisors (48793925330883).

146216606104221 is a wasteful number, since it uses less digits than its factorization.

146216606104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764157371.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 146216606104221 in words is "one hundred forty-six trillion, two hundred sixteen billion, six hundred six million, one hundred four thousand, two hundred twenty-one".