660099484 has 24 divisors (see below), whose sum is σ = 1262475648. Its totient is φ = 299501040.

The previous prime is 660099469. The next prime is 660099487. The reversal of 660099484 is 484990066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660099487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11449 + ... + 38095.

It is an arithmetic number, because the mean of its divisors is an integer number (52603152).

Almost surely, 2^660099484 is an apocalyptic number.

It is an amenable number.

660099484 is a deficient number, since it is larger than the sum of its proper divisors (602376164).

660099484 is a wasteful number, since it uses less digits than its factorization.

660099484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27225 (or 27223 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 660099484 is about 25692.4012890971. The cubic root of 660099484 is about 870.7025126857.

The spelling of 660099484 in words is "six hundred sixty million, ninety-nine thousand, four hundred eighty-four".