210505342160534 has 4 divisors (see below), whose sum is σ = 315758013240804. Its totient is φ = 105252671080266.

The previous prime is 210505342160507. The next prime is 210505342160563. The reversal of 210505342160534 is 435061243505012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210505342160491 and 210505342160500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52626335540132 + ... + 52626335540135.

It is an arithmetic number, because the mean of its divisors is an integer number (78939503310201).

Almost surely, 2^{210505342160534} is an apocalyptic number.

210505342160534 is a deficient number, since it is larger than the sum of its proper divisors (105252671080270).

210505342160534 is a wasteful number, since it uses less digits than its factorization.

210505342160534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105252671080269.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 210505342160534 its reverse (435061243505012), we get a palindrome (645566585665546).

The spelling of 210505342160534 in words is "two hundred ten trillion, five hundred five billion, three hundred forty-two million, one hundred sixty thousand, five hundred thirty-four".