611017644134167 has 4 divisors (see below), whose sum is σ = 611023453882920. Its totient is φ = 611011834385416.

The previous prime is 611017644134147. The next prime is 611017644134203. The reversal of 611017644134167 is 761431446710116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611017644134167 is a prime.

It is a super-2 number, since 2×611017644134167² (a number of 30 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 (611017644134147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904716617 + ... + 2904926962.

It is an arithmetic number, because the mean of its divisors is an integer number (152755863470730).

Almost surely, 2^{611017644134167} is an apocalyptic number.

611017644134167 is a deficient number, since it is larger than the sum of its proper divisors (5809748753).

611017644134167 is a wasteful number, since it uses less digits than its factorization.

611017644134167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809748752.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 611017644134167 in words is "six hundred eleven trillion, seventeen billion, six hundred forty-four million, one hundred thirty-four thousand, one hundred sixty-seven".