66461707034 has 4 divisors (see below), whose sum is σ = 99692560554. Its totient is φ = 33230853516.

The previous prime is 66461707019. The next prime is 66461707057. The reversal of 66461707034 is 43070716466.

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., 40603459009 + 25858248025 = 201503^2 + 160805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615426757 + ... + 16615426760.

Almost surely, 2^66461707034 is an apocalyptic number.

66461707034 is a deficient number, since it is larger than the sum of its proper divisors (33230853520).

66461707034 is a wasteful number, since it uses less digits than its factorization.

66461707034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230853519.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 66461707034 in words is "sixty-six billion, four hundred sixty-one million, seven hundred seven thousand, thirty-four".