620152666 has 64 divisors (see below), whose sum is σ = 1148716800. Its totient is φ = 245223936.

The previous prime is 620152661. The next prime is 620152667. The reversal of 620152666 is 666251026.

It is not an unprimeable number, because it can be changed into a prime (620152661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2116416 + ... + 2116708.

It is an arithmetic number, because the mean of its divisors is an integer number (17948700).

Almost surely, 2^620152666 is an apocalyptic number.

620152666 is a deficient number, since it is larger than the sum of its proper divisors (528564134).

620152666 is a wasteful number, since it uses less digits than its factorization.

620152666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 620152666 is about 24902.8646143370. The cubic root of 620152666 is about 852.7718810726.

The spelling of 620152666 in words is "six hundred twenty million, one hundred fifty-two thousand, six hundred sixty-six".