894665563146 has 40 divisors (see below), whose sum is σ = 2004894643620. Its totient is φ = 298194918912.

The previous prime is 894665563133. The next prime is 894665563147. The reversal of 894665563146 is 641365566498.

894665563146 is a `hidden beast` number, since 8 + 9 + 4 + 6 + 6 + 556 + 31 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 886589844921 + 8075718225 = 941589^2 + 89865^2 .

It is not an unprimeable number, because it can be changed into a prime (894665563147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1591560 + ... + 2079036.

Almost surely, 2^894665563146 is an apocalyptic number.

894665563146 is an abundant number, since it is smaller than the sum of its proper divisors (1110229080474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894665563146 is a wasteful number, since it uses less digits than its factorization.

894665563146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498820 (or 498811 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 894665563146 in words is "eight hundred ninety-four billion, six hundred sixty-five million, five hundred sixty-three thousand, one hundred forty-six".