9866541474 has 40 divisors (see below), whose sum is σ = 22116492288. Its totient is φ = 3287637720.

The previous prime is 9866541469. The next prime is 9866541539. The reversal of 9866541474 is 4741456689.

9866541474 is a `hidden beast` number, since 98 + 6 + 6 + 541 + 4 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 9866541474.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 503439 + ... + 522669.

Almost surely, 2^9866541474 is an apocalyptic number.

9866541474 is an abundant number, since it is smaller than the sum of its proper divisors (12249950814).

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

9866541474 is a wasteful number, since it uses less digits than its factorization.

9866541474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22412 (or 22403 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 9866541474 is about 99330.4659910543. The cubic root of 9866541474 is about 2144.8074784421.

The spelling of 9866541474 in words is "nine billion, eight hundred sixty-six million, five hundred forty-one thousand, four hundred seventy-four".