3612278722163 has 32 divisors (see below), whose sum is σ = 3790301264640. Its totient is φ = 3438156758400.

The previous prime is 3612278722147. The next prime is 3612278722181.

3612278722163 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3612278722163 - 2⁴ = 3612278722147 is a prime.

It is a super-2 number, since 2×3612278722163² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3612278722463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 678614420 + ... + 678619742.

It is an arithmetic number, because the mean of its divisors is an integer number (118446914520).

Almost surely, 2^{3612278722163} is an apocalyptic number.

3612278722163 is a deficient number, since it is larger than the sum of its proper divisors (178022542477).

3612278722163 is a wasteful number, since it uses less digits than its factorization.

3612278722163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419.

The product of its digits is 2032128, while the sum is 50.

The spelling of 3612278722163 in words is "three trillion, six hundred twelve billion, two hundred seventy-eight million, seven hundred twenty-two thousand, one hundred sixty-three".