16475949 has 12 divisors (see below), whose sum is σ = 27198496. Its totient is φ = 9414792.

The previous prime is 16475939. The next prime is 16475959. The reversal of 16475949 is 94957461.

16475949 is a `hidden beast` number, since 16 + 47 + 594 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (16475939) and next prime (16475959).

It is not a de Polignac number, because 16475949 - 2⁴ = 16475933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16475939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130699 + ... + 130824.

Almost surely, 2^16475949 is an apocalyptic number.

It is an amenable number.

16475949 is a deficient number, since it is larger than the sum of its proper divisors (10722547).

16475949 is a wasteful number, since it uses less digits than its factorization.

16475949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261536 (or 261533 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 16475949 is about 4059.0576492580. The cubic root of 16475949 is about 254.4584122575.

It can be divided in two parts, 16475 and 949, that added together give a square (17424 = 132²).

The spelling of 16475949 in words is "sixteen million, four hundred seventy-five thousand, nine hundred forty-nine".