1650973752 has 80 divisors (see below), whose sum is σ = 4634566200. Its totient is φ = 549097920.

The previous prime is 1650973739. The next prime is 1650973759. The reversal of 1650973752 is 2573790561.

1650973752 is a `hidden beast` number, since 1 + 6 + 509 + 73 + 75 + 2 = 666.

1650973752 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1650973752³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1650973698 and 1650973707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650973759) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 315574 + ... + 320762.

Almost surely, 2^1650973752 is an apocalyptic number.

1650973752 is a gapful number since it is divisible by the number (12) 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 1650973752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2317283100).

1650973752 is an abundant number, since it is smaller than the sum of its proper divisors (2983592448).

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

1650973752 is a wasteful number, since it uses less digits than its factorization.

1650973752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698 (or 5685 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 1650973752 is about 40632.1763138525. The cubic root of 1650973752 is about 1181.8981591764.

The spelling of 1650973752 in words is "one billion, six hundred fifty million, nine hundred seventy-three thousand, seven hundred fifty-two".