1610552420 has 36 divisors (see below), whose sum is σ = 3402667380. Its totient is φ = 640326144.

The previous prime is 1610552413. The next prime is 1610552453. The reversal of 1610552420 is 242550161.

It can be written as a sum of positive squares in 6 ways, for example, as 145347136 + 1465205284 = 12056^2 + 38278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1610552420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2715644 + ... + 2716236.

Almost surely, 2^1610552420 is an apocalyptic number.

1610552420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1610552420 is an abundant number, since it is smaller than the sum of its proper divisors (1792114960).

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

1610552420 is an equidigital number, since it uses as much as digits as its factorization.

1610552420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1610552420 is about 40131.6884768134. The cubic root of 1610552420 is about 1172.1727517371.

The spelling of 1610552420 in words is "one billion, six hundred ten million, five hundred fifty-two thousand, four hundred twenty".