660429796 has 12 divisors (see below), whose sum is σ = 1244656252. Its totient is φ = 304813728.

The previous prime is 660429769. The next prime is 660429799. The reversal of 660429796 is 697924066.

It can be written as a sum of positive squares in 2 ways, for example, as 421727296 + 238702500 = 20536^2 + 15450^2 .

It is not an unprimeable number, because it can be changed into a prime (660429799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6350235 + ... + 6350338.

Almost surely, 2^660429796 is an apocalyptic number.

It is an amenable number.

660429796 is a deficient number, since it is larger than the sum of its proper divisors (584226456).

660429796 is a wasteful number, since it uses less digits than its factorization.

660429796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12700590 (or 12700588 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 660429796 is about 25698.8286892613. The cubic root of 660429796 is about 870.8477208635.

The spelling of 660429796 in words is "six hundred sixty million, four hundred twenty-nine thousand, seven hundred ninety-six".