1331552166 has 48 divisors (see below), whose sum is σ = 3280138416. Its totient is φ = 358063104.

The previous prime is 1331552153. The next prime is 1331552213. The reversal of 1331552166 is 6612551331.

It is a Curzon number.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128211 + ... + 138206.

It is an arithmetic number, because the mean of its divisors is an integer number (68336217).

Almost surely, 2^1331552166 is an apocalyptic number.

1331552166 is an abundant number, since it is smaller than the sum of its proper divisors (1948586250).

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

1331552166 is a wasteful number, since it uses less digits than its factorization.

1331552166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266453 (or 266446 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1331552166 is about 36490.4393780069. The cubic root of 1331552166 is about 1100.1520908160.

The spelling of 1331552166 in words is "one billion, three hundred thirty-one million, five hundred fifty-two thousand, one hundred sixty-six".