611221586366667 has 32 divisors (see below), whose sum is σ = 873070862872320. Its totient is φ = 379229620608000.

The previous prime is 611221586366623. The next prime is 611221586366681. The reversal of 611221586366667 is 766663685122116.

611221586366667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611221586366667 - 2⁷ = 611221586366539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611221586366598 and 611221586366607.

It is not an unprimeable number, because it can be changed into a prime (611221586316667) 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, 291571038 + ... + 293659859.

It is an arithmetic number, because the mean of its divisors is an integer number (27283464464760).

Almost surely, 2^{611221586366667} is an apocalyptic number.

611221586366667 is a deficient number, since it is larger than the sum of its proper divisors (261849276505653).

611221586366667 is a wasteful number, since it uses less digits than its factorization.

611221586366667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585231243.

The product of its digits is 156764160, while the sum is 66.

The spelling of 611221586366667 in words is "six hundred eleven trillion, two hundred twenty-one billion, five hundred eighty-six million, three hundred sixty-six thousand, six hundred sixty-seven".