1841966556 has 48 divisors (see below), whose sum is σ = 4440576000. Its totient is φ = 593645760.

The previous prime is 1841966551. The next prime is 1841966563. The reversal of 1841966556 is 6556691481.

It is a super-2 number, since 2×1841966556² = 6785681586845002272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1841966499 and 1841966508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841966551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742390 + ... + 744866.

It is an arithmetic number, because the mean of its divisors is an integer number (92512000).

Almost surely, 2^1841966556 is an apocalyptic number.

It is an amenable number.

1841966556 is an abundant number, since it is smaller than the sum of its proper divisors (2598609444).

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

1841966556 is a wasteful number, since it uses less digits than its factorization.

1841966556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4512 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 1841966556 is about 42918.1378440398. The cubic root of 1841966556 is about 1225.8215354963.

The spelling of 1841966556 in words is "one billion, eight hundred forty-one million, nine hundred sixty-six thousand, five hundred fifty-six".