1652256180 has 144 divisors (see below), whose sum is σ = 5386530240. Its totient is φ = 408443904.

The previous prime is 1652256173. The next prime is 1652256217. The reversal of 1652256180 is 816522561.

1652256180 is a `hidden beast` number, since 1 + 6 + 522 + 56 + 1 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200991 + ... + 209049.

It is an arithmetic number, because the mean of its divisors is an integer number (37406460).

Almost surely, 2^1652256180 is an apocalyptic number.

1652256180 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 1652256180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693265120).

1652256180 is an abundant number, since it is smaller than the sum of its proper divisors (3734274060).

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

1652256180 is a wasteful number, since it uses less digits than its factorization.

1652256180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158 (or 8153 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1652256180 is about 40647.9541920624. The cubic root of 1652256180 is about 1182.2041012524.

It can be divided in two parts, 165225 and 6180, that added together give a triangular number (171405 = T₅₈₅).

The spelling of 1652256180 in words is "one billion, six hundred fifty-two million, two hundred fifty-six thousand, one hundred eighty".