202106701066 has 8 divisors (see below), whose sum is σ = 303184124964. Its totient is φ = 101045326080.

The previous prime is 202106701063. The next prime is 202106701073. The reversal of 202106701066 is 660107601202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189847561225 + 12259139841 = 435715^2 + 110721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202106701063) 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, 3980695 + ... + 4031146.

Almost surely, 2^202106701066 is an apocalyptic number.

202106701066 is a deficient number, since it is larger than the sum of its proper divisors (101077423898).

202106701066 is a wasteful number, since it uses less digits than its factorization.

202106701066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024456.

The product of its (nonzero) digits is 6048, while the sum is 31.

It can be divided in two parts, 20210 and 6701066, that added together give a palindrome (6721276).

The spelling of 202106701066 in words is "two hundred two billion, one hundred six million, seven hundred one thousand, sixty-six".