66350364490 has 8 divisors (see below), whose sum is σ = 119430656100. Its totient is φ = 26540145792.

The previous prime is 66350364481. The next prime is 66350364497. The reversal of 66350364490 is 9446305366.

It can be written as a sum of positive squares in 2 ways, for example, as 62825923801 + 3524440689 = 250651^2 + 59367^2 .

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 66350364490.

It is not an unprimeable number, because it can be changed into a prime (66350364497) 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, 3317518215 + ... + 3317518234.

Almost surely, 2^66350364490 is an apocalyptic number.

66350364490 is a deficient number, since it is larger than the sum of its proper divisors (53080291610).

66350364490 is a wasteful number, since it uses less digits than its factorization.

66350364490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635036456.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 66350364490 in words is "sixty-six billion, three hundred fifty million, three hundred sixty-four thousand, four hundred ninety".