660149416 has 16 divisors (see below), whose sum is σ = 1266566400. Its totient is φ = 322398384.

The previous prime is 660149393. The next prime is 660149443. The reversal of 660149416 is 614941066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959176 + ... + 959863.

It is an arithmetic number, because the mean of its divisors is an integer number (79160400).

Almost surely, 2^660149416 is an apocalyptic number.

It is an amenable number.

660149416 is a deficient number, since it is larger than the sum of its proper divisors (606416984).

660149416 is a wasteful number, since it uses less digits than its factorization.

660149416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919088 (or 1919084 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 660149416 is about 25693.3729977206. The cubic root of 660149416 is about 870.7244663572.

The spelling of 660149416 in words is "six hundred sixty million, one hundred forty-nine thousand, four hundred sixteen".