61342512466 has 4 divisors (see below), whose sum is σ = 92013768702. Its totient is φ = 30671256232.

The previous prime is 61342512403. The next prime is 61342512467. The reversal of 61342512466 is 66421524316.

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., 30740258241 + 30602254225 = 175329^2 + 174935^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61342512467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335628115 + ... + 15335628118.

Almost surely, 2^61342512466 is an apocalyptic number.

61342512466 is a deficient number, since it is larger than the sum of its proper divisors (30671256236).

61342512466 is a wasteful number, since it uses less digits than its factorization.

61342512466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30671256235.

The product of its digits is 207360, while the sum is 40.

The spelling of 61342512466 in words is "sixty-one billion, three hundred forty-two million, five hundred twelve thousand, four hundred sixty-six".