1491427160 has 32 divisors (see below), whose sum is σ = 3357622800. Its totient is φ = 596231040.

The previous prime is 1491427123. The next prime is 1491427213. The reversal of 1491427160 is 617241941.

It is a Cunningham number, because it is equal to 38619²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 1491427160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67586 + ... + 86894.

Almost surely, 2^1491427160 is an apocalyptic number.

1491427160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491427160 is an abundant number, since it is smaller than the sum of its proper divisors (1866195640).

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

1491427160 is a wasteful number, since it uses less digits than its factorization.

1491427160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251 (or 21247 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1491427160 is about 38618.9999870530. Note that the first 4 decimals coincide. The cubic root of 1491427160 is about 1142.5293076640.

The spelling of 1491427160 in words is "one billion, four hundred ninety-one million, four hundred twenty-seven thousand, one hundred sixty".