213525146101665 has 8 divisors (see below), whose sum is σ = 341640233762688. Its totient is φ = 113880077920880.

The previous prime is 213525146101651. The next prime is 213525146101669. The reversal of 213525146101665 is 566101641525312.

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

It is not a de Polignac number, because 213525146101665 - 2¹⁶ = 213525146036129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213525146101669) 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, 7117504870041 + ... + 7117504870070.

It is an arithmetic number, because the mean of its divisors is an integer number (42705029220336).

Almost surely, 2^{213525146101665} is an apocalyptic number.

It is an amenable number.

213525146101665 is a deficient number, since it is larger than the sum of its proper divisors (128115087661023).

213525146101665 is a wasteful number, since it uses less digits than its factorization.

213525146101665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235009740119.

The product of its (nonzero) digits is 1296000, while the sum is 48.

Adding to 213525146101665 its reverse (566101641525312), we get a palindrome (779626787626977).

The spelling of 213525146101665 in words is "two hundred thirteen trillion, five hundred twenty-five billion, one hundred forty-six million, one hundred one thousand, six hundred sixty-five".