660232513498 has 4 divisors (see below), whose sum is σ = 990348770250. Its totient is φ = 330116256748.

The previous prime is 660232513463. The next prime is 660232513529. The reversal of 660232513498 is 894315232066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 551429511889 + 108803001609 = 742583^2 + 329853^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165058128373 + ... + 165058128376.

Almost surely, 2^660232513498 is an apocalyptic number.

660232513498 is a deficient number, since it is larger than the sum of its proper divisors (330116256752).

660232513498 is a wasteful number, since it uses less digits than its factorization.

660232513498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330116256751.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 660232513498 in words is "six hundred sixty billion, two hundred thirty-two million, five hundred thirteen thousand, four hundred ninety-eight".