66446042346364 has 24 divisors (see below), whose sum is σ = 117350593341408. Its totient is φ = 32918572577280.

The previous prime is 66446042346353. The next prime is 66446042346413. The reversal of 66446042346364 is 46364324064466.

It is a junction number, because it is equal to n+sod(n) for n = 66446042346299 and 66446042346308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158688877 + ... + 159107044.

It is an arithmetic number, because the mean of its divisors is an integer number (4889608055892).

Almost surely, 2^{66446042346364} is an apocalyptic number.

It is an amenable number.

66446042346364 is a deficient number, since it is larger than the sum of its proper divisors (50904550995044).

66446042346364 is a wasteful number, since it uses less digits than its factorization.

66446042346364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317796405 (or 317796403 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 58.

The spelling of 66446042346364 in words is "sixty-six trillion, four hundred forty-six billion, forty-two million, three hundred forty-six thousand, three hundred sixty-four".