16745487 has 16 divisors (see below), whose sum is σ = 25144320. Its totient is φ = 9820800.

The previous prime is 16745483. The next prime is 16745501. The reversal of 16745487 is 78454761.

It is not a de Polignac number, because 16745487 - 2² = 16745483 is a prime.

It is a super-2 number, since 2×16745487² = 560822669734338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16745483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7162 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (1571520).

Almost surely, 2^16745487 is an apocalyptic number.

16745487 is a deficient number, since it is larger than the sum of its proper divisors (8398833).

16745487 is a wasteful number, since it uses less digits than its factorization.

16745487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414.

The product of its digits is 188160, while the sum is 42.

The square root of 16745487 is about 4092.1249980908. The cubic root of 16745487 is about 255.8385161186.

It can be divided in two parts, 167 and 45487, that added together give a palindrome (45654).

The spelling of 16745487 in words is "sixteen million, seven hundred forty-five thousand, four hundred eighty-seven".