1852261164 has 144 divisors (see below), whose sum is σ = 5204279808. Its totient is φ = 551885184.

The previous prime is 1852261133. The next prime is 1852261217. The reversal of 1852261164 is 4611622581.

It is a happy number.

1852261164 is a `hidden beast` number, since 18 + 5 + 22 + 611 + 6 + 4 = 666.

1852261164 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

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, 2353179 + ... + 2353965.

It is an arithmetic number, because the mean of its divisors is an integer number (36140832).

Almost surely, 2^1852261164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1852261164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602139904).

1852261164 is an abundant number, since it is smaller than the sum of its proper divisors (3352018644).

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

1852261164 is a wasteful number, since it uses less digits than its factorization.

1852261164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 959 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1852261164 is about 43037.9038058314. The cubic root of 1852261164 is about 1228.1009680125.

The spelling of 1852261164 in words is "one billion, eight hundred fifty-two million, two hundred sixty-one thousand, one hundred sixty-four".