16536474 has 20 divisors (see below), whose sum is σ = 37054314. Its totient is φ = 5512104.

The previous prime is 16536469. The next prime is 16536491. The reversal of 16536474 is 47463561.

It is a happy number.

16536474 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 647 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 5267025 = 3357^2 + 2295^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50877 + ... + 51200.

Almost surely, 2^16536474 is an apocalyptic number.

16536474 is an abundant number, since it is smaller than the sum of its proper divisors (20517840).

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

16536474 is a wasteful number, since it uses less digits than its factorization.

16536474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102091 (or 102082 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 16536474 is about 4066.5063629607. The cubic root of 16536474 is about 254.7696189133.

The spelling of 16536474 in words is "sixteen million, five hundred thirty-six thousand, four hundred seventy-four".