66016063461 has 4 divisors (see below), whose sum is σ = 88021417952. Its totient is φ = 44010708972.

The previous prime is 66016063343. The next prime is 66016063469. The reversal of 66016063461 is 16436061066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 66016063461 - 2¹⁴ = 66016047077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66016063469) 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, 11002677241 + ... + 11002677246.

It is an arithmetic number, because the mean of its divisors is an integer number (22005354488).

Almost surely, 2^66016063461 is an apocalyptic number.

It is an amenable number.

66016063461 is a deficient number, since it is larger than the sum of its proper divisors (22005354491).

66016063461 is a wasteful number, since it uses less digits than its factorization.

66016063461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22005354490.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 66016063461 in words is "sixty-six billion, sixteen million, sixty-three thousand, four hundred sixty-one".