1061616 has 40 divisors (see below), whose sum is σ = 2906064. Its totient is φ = 332800.

The previous prime is 1061609. The next prime is 1061617. The reversal of 1061616 is 6161601.

It is a super-2 number, since 2×1061616² = 2254057062912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061592 and 1061601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1466.

2^1061616 is an apocalyptic number.

1061616 is a gapful number since it is divisible by the number (16) 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 1061616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453032).

1061616 is an abundant number, since it is smaller than the sum of its proper divisors (1844448).

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

1061616 is a wasteful number, since it uses less digits than its factorization.

1061616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1061616 is about 1030.3475141912. The cubic root of 1061616 is about 102.0130702205.

The spelling of 1061616 in words is "one million, sixty-one thousand, six hundred sixteen".