66130065240532 has 6 divisors (see below), whose sum is σ = 115727614170938. Its totient is φ = 33065032620264.

The previous prime is 66130065240521. The next prime is 66130065240559. The reversal of 66130065240532 is 23504256003166.

It can be written as a sum of positive squares in only one way, i.e., 35721612283536 + 30408452956996 = 5976756^2 + 5514386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266258155063 + ... + 8266258155070.

Almost surely, 2^{66130065240532} is an apocalyptic number.

It is an amenable number.

66130065240532 is a deficient number, since it is larger than the sum of its proper divisors (49597548930406).

66130065240532 is a wasteful number, since it uses less digits than its factorization.

66130065240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16532516310137 (or 16532516310135 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 66130065240532 in words is "sixty-six trillion, one hundred thirty billion, sixty-five million, two hundred forty thousand, five hundred thirty-two".