660415482946 has 16 divisors (see below), whose sum is σ = 1014853269528. Its totient is φ = 322132147200.

The previous prime is 660415482941. The next prime is 660415482953. The reversal of 660415482946 is 649284514066.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 297542975625 + 362872507321 = 545475^2 + 602389^2 .

It is a super-2 number, since 2×660415482946² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (660415482941) 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 7 ways as a sum of consecutive naturals, for example, 985546 + ... + 1513978.

Almost surely, 2^660415482946 is an apocalyptic number.

660415482946 is a deficient number, since it is larger than the sum of its proper divisors (354437786582).

660415482946 is a wasteful number, since it uses less digits than its factorization.

660415482946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543717.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 660415482946 in words is "six hundred sixty billion, four hundred fifteen million, four hundred eighty-two thousand, nine hundred forty-six".