7167213274661 has 12 divisors (see below), whose sum is σ = 7831684785600. Its totient is φ = 6504910571160.

The previous prime is 7167213274651. The next prime is 7167213274777. The reversal of 7167213274661 is 1664723127617.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-7167213274661 is a prime.

It is a super-2 number, since 2×7167213274661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7167213274601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3168740 + ... + 4937138.

It is an arithmetic number, because the mean of its divisors is an integer number (652640398800).

Almost surely, 2^{7167213274661} is an apocalyptic number.

It is an amenable number.

7167213274661 is a deficient number, since it is larger than the sum of its proper divisors (664471510939).

7167213274661 is an equidigital number, since it uses as much as digits as its factorization.

7167213274661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769624 (or 1769017 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The spelling of 7167213274661 in words is "seven trillion, one hundred sixty-seven billion, two hundred thirteen million, two hundred seventy-four thousand, six hundred sixty-one".