1652669520 has 160 divisors (see below), whose sum is σ = 5320802304. Its totient is φ = 423897600.

The previous prime is 1652669453. The next prime is 1652669549. The reversal of 1652669520 is 259662561.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420459 + ... + 1421621.

Almost surely, 2^1652669520 is an apocalyptic number.

1652669520 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 1652669520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660401152).

1652669520 is an abundant number, since it is smaller than the sum of its proper divisors (3668132784).

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

1652669520 is a wasteful number, since it uses less digits than its factorization.

1652669520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1652669520 is about 40653.0382628408. The cubic root of 1652669520 is about 1182.3026758574.

The spelling of 1652669520 in words is "one billion, six hundred fifty-two million, six hundred sixty-nine thousand, five hundred twenty".