66465441105105 has 96 divisors (see below), whose sum is σ = 132693258412800. Its totient is φ = 27792445330944.

The previous prime is 66465441105101. The next prime is 66465441105127. The reversal of 66465441105105 is 50150114456466.

It is not a de Polignac number, because 66465441105105 - 2² = 66465441105101 is a prime.

It is a super-2 number, since 2×66465441105105² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66465441105101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29133070 + ... + 31331559.

It is an arithmetic number, because the mean of its divisors is an integer number (1382221441800).

Almost surely, 2^{66465441105105} is an apocalyptic number.

It is an amenable number.

66465441105105 is a deficient number, since it is larger than the sum of its proper divisors (66227817307695).

66465441105105 is a wasteful number, since it uses less digits than its factorization.

66465441105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60464711 (or 60464692 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 66465441105105 in words is "sixty-six trillion, four hundred sixty-five billion, four hundred forty-one million, one hundred five thousand, one hundred five".