1331426160 has 120 divisors (see below), whose sum is σ = 4637046960. Its totient is φ = 355041792.

The previous prime is 1331426149. The next prime is 1331426177. The reversal of 1331426160 is 616241331.

1331426160 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 42 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 14805 + ... + 53684.

It is an arithmetic number, because the mean of its divisors is an integer number (38642058).

Almost surely, 2^1331426160 is an apocalyptic number.

1331426160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331426160 is an abundant number, since it is smaller than the sum of its proper divisors (3305620800).

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

1331426160 is an equidigital number, since it uses as much as digits as its factorization.

1331426160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68517 (or 68499 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1331426160 is about 36488.7127753227. The cubic root of 1331426160 is about 1100.1173869216.

Adding to 1331426160 its reverse (616241331), we get a palindrome (1947667491).

The spelling of 1331426160 in words is "one billion, three hundred thirty-one million, four hundred twenty-six thousand, one hundred sixty".