167775151666 has 16 divisors (see below), whose sum is σ = 257757987456. Its totient is φ = 81866110576.

The previous prime is 167775151633. The next prime is 167775151669. The reversal of 167775151666 is 666151577761.

It is a super-3 number, since 3×167775151666³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 167775151666.

It is not an unprimeable number, because it can be changed into a prime (167775151669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539201 + ... + 2604436.

It is an arithmetic number, because the mean of its divisors is an integer number (16109874216).

Almost surely, 2^167775151666 is an apocalyptic number.

167775151666 is a deficient number, since it is larger than the sum of its proper divisors (89982835790).

167775151666 is a wasteful number, since it uses less digits than its factorization.

167775151666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144033.

The product of its digits is 11113200, while the sum is 58.

The spelling of 167775151666 in words is "one hundred sixty-seven billion, seven hundred seventy-five million, one hundred fifty-one thousand, six hundred sixty-six".