66475056346 has 8 divisors (see below), whose sum is σ = 99715442580. Its totient is φ = 33236575488.

The previous prime is 66475056341. The next prime is 66475056371. The reversal of 66475056346 is 64365057466.

It can be written as a sum of positive squares in 2 ways, for example, as 48301050625 + 18174005721 = 219775^2 + 134811^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 66475056293 and 66475056302.

It is not an unprimeable number, because it can be changed into a prime (66475056341) 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, 385671 + ... + 530746.

Almost surely, 2^66475056346 is an apocalyptic number.

66475056346 is a deficient number, since it is larger than the sum of its proper divisors (33240386234).

66475056346 is a wasteful number, since it uses less digits than its factorization.

66475056346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952688.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 66475056346 in words is "sixty-six billion, four hundred seventy-five million, fifty-six thousand, three hundred forty-six".