66435013352000 has 56 divisors (see below), whose sum is σ = 164526310586040. Its totient is φ = 26574005337600.

The previous prime is 66435013351981. The next prime is 66435013352083. The reversal of 66435013352000 is 25331053466.

It can be written as a sum of positive squares in 4 ways, for example, as 222421651456 + 66212591700544 = 471616^2 + 8137112^2 .

It is a super-2 number, since 2×66435013352000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4152180335 + ... + 4152196334.

Almost surely, 2^{66435013352000} is an apocalyptic number.

It is an amenable number.

66435013352000 is an abundant number, since it is smaller than the sum of its proper divisors (98091297234040).

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

66435013352000 is an equidigital number, since it uses as much as digits as its factorization.

66435013352000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304376696 (or 8304376676 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 66435013352000 in words is "sixty-six trillion, four hundred thirty-five billion, thirteen million, three hundred fifty-two thousand".