16122040 has 48 divisors (see below), whose sum is σ = 39884040. Its totient is φ = 5860800.

The previous prime is 16122037. The next prime is 16122053. The reversal of 16122040 is 4022161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175 + ... + 6505.

Almost surely, 2^16122040 is an apocalyptic number.

16122040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16122040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19942020).

16122040 is an abundant number, since it is smaller than the sum of its proper divisors (23762000).

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

16122040 is a wasteful number, since it uses less digits than its factorization.

16122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 16122040 is about 4015.2260210354. The cubic root of 16122040 is about 252.6232577973.

It can be divided in two parts, 161 and 22040, that added together give a square (22201 = 149²).

The spelling of 16122040 in words is "sixteen million, one hundred twenty-two thousand, forty".