1652489682064 has 135 divisors (see below), whose sum is σ = 3535122694233. Its totient is φ = 747971233152.

The previous prime is 1652489682061. The next prime is 1652489682073. The reversal of 1652489682064 is 4602869842561.

It is a happy number.

The square root of 1652489682064 is 1285492.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 244451136400 + 1408038545664 = 494420^2 + 1186608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1652489681993 and 1652489682011.

It is not an unprimeable number, because it can be changed into a prime (1652489682061) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3943889247 + ... + 3943889665.

Almost surely, 2^{1652489682064} is an apocalyptic number.

1652489682064 is the 1285492-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1652489682064

1652489682064 is an abundant number, since it is smaller than the sum of its proper divisors (1882633012169).

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

1652489682064 is an frugal number, since it uses more digits than its factorization.

1652489682064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 1652489682064 in words is "one trillion, six hundred fifty-two billion, four hundred eighty-nine million, six hundred eighty-two thousand, sixty-four".