1955161584 has 40 divisors (see below), whose sum is σ = 5612039120. Its totient is φ = 651720384.

The previous prime is 1955161583. The next prime is 1955161589. The reversal of 1955161584 is 4851615591.

1955161584 is a `hidden beast` number, since 1 + 9 + 5 + 5 + 1 + 61 + 584 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955161583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262487 + ... + 2263350.

It is an arithmetic number, because the mean of its divisors is an integer number (140300978).

Almost surely, 2^1955161584 is an apocalyptic number.

It is an amenable number.

1955161584 is an abundant number, since it is smaller than the sum of its proper divisors (3656877536).

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

1955161584 is a wasteful number, since it uses less digits than its factorization.

1955161584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525854 (or 4525842 counting only the distinct ones).

The product of its digits is 216000, while the sum is 45.

The square root of 1955161584 is about 44217.2091385243. The cubic root of 1955161584 is about 1250.4343203285.

The spelling of 1955161584 in words is "one billion, nine hundred fifty-five million, one hundred sixty-one thousand, five hundred eighty-four".