16163740 has 12 divisors (see below), whose sum is σ = 33943896. Its totient is φ = 6465488.

The previous prime is 16163731. The next prime is 16163747. The reversal of 16163740 is 4736161.

It is a super-2 number, since 2×16163740² = 522532981575200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16163699 and 16163708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16163747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404074 + ... + 404113.

It is an arithmetic number, because the mean of its divisors is an integer number (2828658).

Almost surely, 2^16163740 is an apocalyptic number.

16163740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16163740 is an abundant number, since it is smaller than the sum of its proper divisors (17780156).

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

16163740 is a wasteful number, since it uses less digits than its factorization.

16163740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808196 (or 808194 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16163740 is about 4020.4154014231. The cubic root of 16163740 is about 252.8408754273.

It can be divided in two parts, 1616 and 3740, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 16163740 in words is "sixteen million, one hundred sixty-three thousand, seven hundred forty".