213165136670770 has 32 divisors (see below), whose sum is σ = 385390084431168. Its totient is φ = 84889873309248.

The previous prime is 213165136670749. The next prime is 213165136670771. The reversal of 213165136670770 is 77076631561312.

It is not an unprimeable number, because it can be changed into a prime (213165136670771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600834672 + ... + 601189348.

It is an arithmetic number, because the mean of its divisors is an integer number (12043440138474).

Almost surely, 2^{213165136670770} is an apocalyptic number.

213165136670770 is a deficient number, since it is larger than the sum of its proper divisors (172224947760398).

213165136670770 is a wasteful number, since it uses less digits than its factorization.

213165136670770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619674.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 213165136670770 in words is "two hundred thirteen trillion, one hundred sixty-five billion, one hundred thirty-six million, six hundred seventy thousand, seven hundred seventy".