166665833332 has 6 divisors (see below), whose sum is σ = 291665208338. Its totient is φ = 83332916664.

The previous prime is 166665833309. The next prime is 166665833381. The reversal of 166665833332 is 233338566661.

It can be written as a sum of positive squares in only one way, i.e., 163388957796 + 3276875536 = 404214^2 + 57244^2 .

It is a super-4 number, since 4×166665833332⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166665833332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20833229163 + ... + 20833229170.

Almost surely, 2^166665833332 is an apocalyptic number.

It is an amenable number.

166665833332 is a deficient number, since it is larger than the sum of its proper divisors (124999375006).

166665833332 is a wasteful number, since it uses less digits than its factorization.

166665833332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41666458337 (or 41666458335 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 52.

The spelling of 166665833332 in words is "one hundred sixty-six billion, six hundred sixty-five million, eight hundred thirty-three thousand, three hundred thirty-two".