1652411988 has 120 divisors (see below), whose sum is σ = 4575290720. Its totient is φ = 518581440.

The previous prime is 1652411983. The next prime is 1652412031. The reversal of 1652411988 is 8891142561.

It is a happy number.

1652411988 is a `hidden beast` number, since 1 + 6 + 524 + 119 + 8 + 8 = 666.

It is a super-2 number, since 2×1652411988² = 5460930756172224288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652411983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1113495 + ... + 1114977.

Almost surely, 2^1652411988 is an apocalyptic number.

1652411988 is a gapful number since it is divisible by the number (18) 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 1652411988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2287645360).

1652411988 is an abundant number, since it is smaller than the sum of its proper divisors (2922878732).

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

1652411988 is a wasteful number, since it uses less digits than its factorization.

1652411988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1688 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1652411988 is about 40649.8707009014. The cubic root of 1652411988 is about 1182.2412607578.

The spelling of 1652411988 in words is "one billion, six hundred fifty-two million, four hundred eleven thousand, nine hundred eighty-eight".