166606151050 has 12 divisors (see below), whose sum is σ = 309887441046. Its totient is φ = 66642460400.

The previous prime is 166606151011. The next prime is 166606151051. The reversal of 166606151050 is 50151606661.

It can be written as a sum of positive squares in 3 ways, for example, as 160184853361 + 6421297689 = 400231^2 + 80133^2 .

It is a super-2 number, since 2×166606151050² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166606151051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1666061461 + ... + 1666061560.

Almost surely, 2^166606151050 is an apocalyptic number.

166606151050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166606151050 is a deficient number, since it is larger than the sum of its proper divisors (143281289996).

166606151050 is a wasteful number, since it uses less digits than its factorization.

166606151050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332123033 (or 3332123028 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 166606151050 in words is "one hundred sixty-six billion, six hundred six million, one hundred fifty-one thousand, fifty".