16061040 has 60 divisors (see below), whose sum is σ = 53940744. Its totient is φ = 4282752.

The previous prime is 16061027. The next prime is 16061047. The reversal of 16061040 is 4016061.

16061040 = T₂₀₁ + T₂₀₂ + ... + T₄₇₀.

16061040 is a `hidden beast` number, since 16 + 0 + 610 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10434 + ... + 11873.

Almost surely, 2^16061040 is an apocalyptic number.

16061040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16061040 is an abundant number, since it is smaller than the sum of its proper divisors (37879704).

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

16061040 is a wasteful number, since it uses less digits than its factorization.

16061040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22326 (or 22317 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16061040 is about 4007.6227367356. The cubic root of 16061040 is about 252.3042432680.

The spelling of 16061040 in words is "sixteen million, sixty-one thousand, forty".