66050500165106 has 4 divisors (see below), whose sum is σ = 99075750247662. Its totient is φ = 33025250082552.

The previous prime is 66050500165099. The next prime is 66050500165163. The reversal of 66050500165106 is 60156100505066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54182716313881 + 11867783851225 = 7360891^2 + 3444965^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16512625041275 + ... + 16512625041278.

Almost surely, 2^{66050500165106} is an apocalyptic number.

66050500165106 is a deficient number, since it is larger than the sum of its proper divisors (33025250082556).

66050500165106 is a wasteful number, since it uses less digits than its factorization.

66050500165106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025250082555.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 66050500165106 in words is "sixty-six trillion, fifty billion, five hundred million, one hundred sixty-five thousand, one hundred six".