20167000166741 has 2 divisors, whose sum is σ = 20167000166742. Its totient is φ = 20167000166740.

The previous prime is 20167000166659. The next prime is 20167000166783. The reversal of 20167000166741 is 14766100076102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20096132402641 + 70867764100 = 4482871^2 + 266210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20167000166741 is a prime.

It is a super-2 number, since 2×20167000166741² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20167000166441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083500083370 + 10083500083371.

It is an arithmetic number, because the mean of its divisors is an integer number (10083500083371).

Almost surely, 2^{20167000166741} is an apocalyptic number.

It is an amenable number.

20167000166741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167000166741 is an equidigital number, since it uses as much as digits as its factorization.

20167000166741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 20167000166741 in words is "twenty trillion, one hundred sixty-seven billion, one hundred sixty-six thousand, seven hundred forty-one".