16545475 has 24 divisors (see below), whose sum is σ = 21788288. Its totient is φ = 12441600.

The previous prime is 16545467. The next prime is 16545481. The reversal of 16545475 is 57454561.

It is a happy number.

It is not a de Polignac number, because 16545475 - 2³ = 16545467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28387 + ... + 28963.

Almost surely, 2^16545475 is an apocalyptic number.

16545475 is a deficient number, since it is larger than the sum of its proper divisors (5242813).

16545475 is a wasteful number, since it uses less digits than its factorization.

16545475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 650 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 16545475 is about 4067.6129363547. The cubic root of 16545475 is about 254.8158352429.

It can be divided in two parts, 16545 and 475, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16545475 in words is "sixteen million, five hundred forty-five thousand, four hundred seventy-five".