1616064 has 56 divisors (see below), whose sum is σ = 4511040. Its totient is φ = 509184.

The previous prime is 1616063. The next prime is 1616077. The reversal of 1616064 is 4606161.

It is a super-2 number, since 2×1616064² = 5223325704192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1616063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427 + ... + 3869.

2^1616064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255520).

1616064 is an abundant number, since it is smaller than the sum of its proper divisors (2894976).

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

1616064 is a wasteful number, since it uses less digits than its factorization.

1616064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1616064 is about 1271.2450589874. The cubic root of 1616064 is about 117.3508353139.

The spelling of 1616064 in words is "one million, six hundred sixteen thousand, sixty-four".