66315693541252 has 12 divisors (see below), whose sum is σ = 116055362463040. Its totient is φ = 33157018551816.

The previous prime is 66315693541231. The next prime is 66315693541277. The reversal of 66315693541252 is 25214539651366.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206874528 + ... + 207194839.

Almost surely, 2^{66315693541252} is an apocalyptic number.

It is an amenable number.

66315693541252 is a deficient number, since it is larger than the sum of its proper divisors (49739668921788).

66315693541252 is a wasteful number, since it uses less digits than its factorization.

66315693541252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414109410 (or 414109408 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 58.

The spelling of 66315693541252 in words is "sixty-six trillion, three hundred fifteen billion, six hundred ninety-three million, five hundred forty-one thousand, two hundred fifty-two".