1616368 has 40 divisors (see below), whose sum is σ = 3558800. Its totient is φ = 705024.

The previous prime is 1616359. The next prime is 1616401. The reversal of 1616368 is 8636161.

It is a super-2 number, since 2×1616368² = 5225291022848, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3748 + ... + 4156.

It is an arithmetic number, because the mean of its divisors is an integer number (88970).

2^1616368 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 1616368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779400).

1616368 is an abundant number, since it is smaller than the sum of its proper divisors (1942432).

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

1616368 is a wasteful number, since it uses less digits than its factorization.

1616368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1616368 is about 1271.3646211847. The cubic root of 1616368 is about 117.3581931944.

It can be divided in two parts, 16 and 16368, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 1616368 in words is "one million, six hundred sixteen thousand, three hundred sixty-eight".