36612820173970 has 8 divisors (see below), whose sum is σ = 65903076313164. Its totient is φ = 14645128069584.

The previous prime is 36612820173961. The next prime is 36612820173973. The reversal of 36612820173970 is 7937102821663.

It can be written as a sum of positive squares in 2 ways, for example, as 35244086308929 + 1368733865041 = 5936673^2 + 1169929^2 .

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 (36612820173973) 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, 1830641008689 + ... + 1830641008708.

Almost surely, 2^{36612820173970} is an apocalyptic number.

36612820173970 is a deficient number, since it is larger than the sum of its proper divisors (29290256139194).

36612820173970 is a wasteful number, since it uses less digits than its factorization.

36612820173970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661282017404.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 36612820173970 in words is "thirty-six trillion, six hundred twelve billion, eight hundred twenty million, one hundred seventy-three thousand, nine hundred seventy".