1652121560 has 64 divisors (see below), whose sum is σ = 3797301600. Its totient is φ = 646732800.

The previous prime is 1652121551. The next prime is 1652121571. The reversal of 1652121560 is 651212561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513236 + ... + 516444.

Almost surely, 2^1652121560 is an apocalyptic number.

1652121560 is a gapful number since it is divisible by the number (10) 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 1652121560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898650800).

1652121560 is an abundant number, since it is smaller than the sum of its proper divisors (2145180040).

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

1652121560 is a wasteful number, since it uses less digits than its factorization.

1652121560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1652121560 is about 40646.2982324344. The cubic root of 1652121560 is about 1182.1719931083.

The spelling of 1652121560 in words is "one billion, six hundred fifty-two million, one hundred twenty-one thousand, five hundred sixty".