166759151131 has 2 divisors, whose sum is σ = 166759151132. Its totient is φ = 166759151130.

The previous prime is 166759151123. The next prime is 166759151201. The reversal of 166759151131 is 131151957661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166759151131 - 2³ = 166759151123 is a prime.

It is a super-2 number, since 2×166759151131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (166759151101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83379575565 + 83379575566.

It is an arithmetic number, because the mean of its divisors is an integer number (83379575566).

Almost surely, 2^166759151131 is an apocalyptic number.

166759151131 is a deficient number, since it is larger than the sum of its proper divisors (1).

166759151131 is an equidigital number, since it uses as much as digits as its factorization.

166759151131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 46.

The spelling of 166759151131 in words is "one hundred sixty-six billion, seven hundred fifty-nine million, one hundred fifty-one thousand, one hundred thirty-one".