2072170106964 has 72 divisors (see below), whose sum is σ = 5337191026440. Its totient is φ = 677643163392.

The previous prime is 2072170106959. The next prime is 2072170107041. The reversal of 2072170106964 is 4696010712702.

It can be written as a sum of positive squares in 4 ways, for example, as 713332268100 + 1358837838864 = 844590^2 + 1165692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35973274 + ... + 36030830.

It is an arithmetic number, because the mean of its divisors is an integer number (74127653145).

Almost surely, 2^{2072170106964} is an apocalyptic number.

It is an amenable number.

2072170106964 is an abundant number, since it is smaller than the sum of its proper divisors (3265020919476).

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

2072170106964 is a wasteful number, since it uses less digits than its factorization.

2072170106964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76489 (or 76484 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 2072170106964 in words is "two trillion, seventy-two billion, one hundred seventy million, one hundred six thousand, nine hundred sixty-four".