1612211186879 has 8 divisors (see below), whose sum is σ = 1617991811712. Its totient is φ = 1606430869120.

The previous prime is 1612211186867. The next prime is 1612211186881. The reversal of 1612211186879 is 9786811122161.

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 1612211186879 - 2²⁸ = 1611942751423 is a prime.

It is a super-2 number, since 2×1612211186879² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1612211186879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612211189879) 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, 18230162 + ... + 18318384.

It is an arithmetic number, because the mean of its divisors is an integer number (202248976464).

Almost surely, 2^{1612211186879} is an apocalyptic number.

1612211186879 is a deficient number, since it is larger than the sum of its proper divisors (5780624833).

1612211186879 is an equidigital number, since it uses as much as digits as its factorization.

1612211186879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153537.

The product of its digits is 580608, while the sum is 53.

The spelling of 1612211186879 in words is "one trillion, six hundred twelve billion, two hundred eleven million, one hundred eighty-six thousand, eight hundred seventy-nine".