16077840 has 80 divisors (see below), whose sum is σ = 51472896. Its totient is φ = 4147200.

The previous prime is 16077839. The next prime is 16077877. The reversal of 16077840 is 4877061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6360 + ... + 8520.

Almost surely, 2^16077840 is an apocalyptic number.

16077840 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 16077840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25736448).

16077840 is an abundant number, since it is smaller than the sum of its proper divisors (35395056).

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

16077840 is a wasteful number, since it uses less digits than its factorization.

16077840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 16077840 is about 4009.7181945867. The cubic root of 16077840 is about 252.3921834893.

It can be divided in two parts, 1 and 6077840, that added together give a triangular number (6077841 = T₃₄₈₆).

The spelling of 16077840 in words is "sixteen million, seventy-seven thousand, eight hundred forty".