210645034732664 has 16 divisors (see below), whose sum is σ = 451382217284400. Its totient is φ = 90276443456832.

The previous prime is 210645034732651. The next prime is 210645034732669. The reversal of 210645034732664 is 466237430546012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210645034732669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880759238629 + ... + 1880759238740.

It is an arithmetic number, because the mean of its divisors is an integer number (28211388580275).

Almost surely, 2^{210645034732664} is an apocalyptic number.

It is an amenable number.

210645034732664 is an abundant number, since it is smaller than the sum of its proper divisors (240737182551736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210645034732664 is a wasteful number, since it uses less digits than its factorization.

210645034732664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761518477382 (or 3761518477378 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 210645034732664 in words is "two hundred ten trillion, six hundred forty-five billion, thirty-four million, seven hundred thirty-two thousand, six hundred sixty-four".