152666212 has 6 divisors (see below), whose sum is σ = 267165878. Its totient is φ = 76333104.

The previous prime is 152666207. The next prime is 152666219. The reversal of 152666212 is 212666251.

It can be written as a sum of positive squares in only one way, i.e., 127103076 + 25563136 = 11274^2 + 5056^2 .

It is not an unprimeable number, because it can be changed into a prime (152666219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19083273 + ... + 19083280.

Almost surely, 2^152666212 is an apocalyptic number.

It is an amenable number.

152666212 is a deficient number, since it is larger than the sum of its proper divisors (114499666).

152666212 is a wasteful number, since it uses less digits than its factorization.

152666212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38166557 (or 38166555 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 152666212 is about 12355.8169296894. The cubic root of 152666212 is about 534.4588956523.

The spelling of 152666212 in words is "one hundred fifty-two million, six hundred sixty-six thousand, two hundred twelve".