152666215 has 16 divisors (see below), whose sum is σ = 197568000. Its totient is φ = 112580352.

The previous prime is 152666207. The next prime is 152666219. The reversal of 152666215 is 512666251.

It is a cyclic number.

It is not a de Polignac number, because 152666215 - 2³ = 152666207 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67066 + ... + 69304.

It is an arithmetic number, because the mean of its divisors is an integer number (12348000).

Almost surely, 2^152666215 is an apocalyptic number.

152666215 is a deficient number, since it is larger than the sum of its proper divisors (44901785).

152666215 is a wasteful number, since it uses less digits than its factorization.

152666215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its digits is 21600, while the sum is 34.

The square root of 152666215 is about 12355.8170510897. The cubic root of 152666215 is about 534.4588991531.

It can be divided in two parts, 152666 and 215, that added together give a square (152881 = 391²).

The spelling of 152666215 in words is "one hundred fifty-two million, six hundred sixty-six thousand, two hundred fifteen".