16153840 has 20 divisors (see below), whose sum is σ = 37557864. Its totient is φ = 6461504.

The previous prime is 16153831. The next prime is 16153861. The reversal of 16153840 is 4835161.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 16153799 and 16153808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100882 + ... + 101041.

Almost surely, 2^16153840 is an apocalyptic number.

16153840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16153840 is an abundant number, since it is smaller than the sum of its proper divisors (21404024).

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

16153840 is a wasteful number, since it uses less digits than its factorization.

16153840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201936 (or 201930 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16153840 is about 4019.1839967834. The cubic root of 16153840 is about 252.7892447222.

The spelling of 16153840 in words is "sixteen million, one hundred fifty-three thousand, eight hundred forty".