166705552161202 has 8 divisors (see below), whose sum is σ = 254157645098412. Its totient is φ = 81986337128400.

The previous prime is 166705552161193. The next prime is 166705552161259. The reversal of 166705552161202 is 202161255507661.

It can be written as a sum of positive squares in 2 ways, for example, as 132107875204761 + 34597676956441 = 11493819^2 + 5881979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×166705552161202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683219475949 + ... + 683219476192.

Almost surely, 2^{166705552161202} is an apocalyptic number.

166705552161202 is a deficient number, since it is larger than the sum of its proper divisors (87452092937210).

166705552161202 is a wasteful number, since it uses less digits than its factorization.

166705552161202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366438952204.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 166705552161202 in words is "one hundred sixty-six trillion, seven hundred five billion, five hundred fifty-two million, one hundred sixty-one thousand, two hundred two".