660135245202 has 20 divisors (see below), whose sum is σ = 1479191938686. Its totient is φ = 220045081680.

The previous prime is 660135245191. The next prime is 660135245219. The reversal of 660135245202 is 202542531066.

660135245202 is a `hidden beast` number, since 6 + 60 + 1 + 352 + 45 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 492437624121 + 167697621081 = 701739^2 + 409509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2037454299 + ... + 2037454622.

Almost surely, 2^660135245202 is an apocalyptic number.

660135245202 is an abundant number, since it is smaller than the sum of its proper divisors (819056693484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660135245202 is a wasteful number, since it uses less digits than its factorization.

660135245202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074908935 (or 4074908926 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 660135245202 its reverse (202542531066), we get a palindrome (862677776268).

The spelling of 660135245202 in words is "six hundred sixty billion, one hundred thirty-five million, two hundred forty-five thousand, two hundred two".