1628539696 has 60 divisors (see below), whose sum is σ = 3675572040. Its totient is φ = 696971520.

The previous prime is 1628539691. The next prime is 1628539727. The reversal of 1628539696 is 6969358261.

It is a super-3 number, since 3×1628539696³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1628539691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011340 + ... + 1012948.

It is an arithmetic number, because the mean of its divisors is an integer number (61259534).

Almost surely, 2^1628539696 is an apocalyptic number.

1628539696 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 1628539696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837786020).

1628539696 is an abundant number, since it is smaller than the sum of its proper divisors (2047032344).

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

1628539696 is a wasteful number, since it uses less digits than its factorization.

1628539696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2909 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 1628539696 is about 40355.1693838596. The cubic root of 1628539696 is about 1176.5203668373.

The spelling of 1628539696 in words is "one billion, six hundred twenty-eight million, five hundred thirty-nine thousand, six hundred ninety-six".