1327661952 has 32 divisors (see below), whose sum is σ = 3526603080. Its totient is φ = 442553856.

The previous prime is 1327661927. The next prime is 1327661957. The reversal of 1327661952 is 2591667231.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327661957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728343 + ... + 1729110.

Almost surely, 2^1327661952 is an apocalyptic number.

1327661952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1327661952 is an abundant number, since it is smaller than the sum of its proper divisors (2198941128).

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

1327661952 is an equidigital number, since it uses as much as digits as its factorization.

1327661952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457470 (or 3457458 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1327661952 is about 36437.0958228012. The cubic root of 1327661952 is about 1099.0796577358.

The spelling of 1327661952 in words is "one billion, three hundred twenty-seven million, six hundred sixty-one thousand, nine hundred fifty-two".