16133745 has 16 divisors (see below), whose sum is σ = 25926912. Its totient is φ = 8567040.

The previous prime is 16133743. The next prime is 16133749. The reversal of 16133745 is 54733161.

It is not a de Polignac number, because 16133745 - 2¹ = 16133743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16133743) 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, 1384 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^16133745 is an apocalyptic number.

16133745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16133745 is a deficient number, since it is larger than the sum of its proper divisors (9793167).

16133745 is a wasteful number, since it uses less digits than its factorization.

16133745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 7560, while the sum is 30.

The square root of 16133745 is about 4016.6833332988. The cubic root of 16133745 is about 252.6843799199.

The spelling of 16133745 in words is "sixteen million, one hundred thirty-three thousand, seven hundred forty-five".