2170216720037 has 8 divisors (see below), whose sum is σ = 2298808017216. Its totient is φ = 2041728921792.

The previous prime is 2170216720033. The next prime is 2170216720069. The reversal of 2170216720037 is 7300276120712.

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

It is a cyclic number.

It is not a de Polignac number, because 2170216720037 - 2² = 2170216720033 is a prime.

It is a super-2 number, since 2×2170216720037² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170216720033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25831553 + ... + 25915430.

It is an arithmetic number, because the mean of its divisors is an integer number (287351002152).

Almost surely, 2^{2170216720037} is an apocalyptic number.

It is an amenable number.

2170216720037 is a deficient number, since it is larger than the sum of its proper divisors (128591297179).

2170216720037 is a wasteful number, since it uses less digits than its factorization.

2170216720037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51749467.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 2170216720037 in words is "two trillion, one hundred seventy billion, two hundred sixteen million, seven hundred twenty thousand, thirty-seven".