3168720422477 has 8 divisors (see below), whose sum is σ = 3184963389432. Its totient is φ = 3152479052800.

The previous prime is 3168720422471. The next prime is 3168720422489. The reversal of 3168720422477 is 7742240278613.

It is a happy number.

3168720422477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1699422497161 + 1469297925316 = 1303619^2 + 1212146^2 .

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 3168720422477 - 2¹⁶ = 3168720356941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3168720422471) 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, 3685277 + ... + 4463037.

It is an arithmetic number, because the mean of its divisors is an integer number (398120423679).

Almost surely, 2^{3168720422477} is an apocalyptic number.

It is an amenable number.

3168720422477 is a deficient number, since it is larger than the sum of its proper divisors (16242966955).

3168720422477 is a wasteful number, since it uses less digits than its factorization.

3168720422477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798639.

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 3168720422477 in words is "three trillion, one hundred sixty-eight billion, seven hundred twenty million, four hundred twenty-two thousand, four hundred seventy-seven".