66413650034 has 8 divisors (see below), whose sum is σ = 99624079020. Its totient is φ = 33205623696.

The previous prime is 66413650033. The next prime is 66413650067. The reversal of 66413650034 is 43005631466.

It can be written as a sum of positive squares in 2 ways, for example, as 63002506009 + 3411144025 = 251003^2 + 58405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66413650034.

It is not an unprimeable number, because it can be changed into a prime (66413650033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529889 + ... + 643124.

Almost surely, 2^66413650034 is an apocalyptic number.

66413650034 is a deficient number, since it is larger than the sum of its proper divisors (33210428986).

66413650034 is a wasteful number, since it uses less digits than its factorization.

66413650034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201324.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 66413650034 in words is "sixty-six billion, four hundred thirteen million, six hundred fifty thousand, thirty-four".