1461661330 has 8 divisors (see below), whose sum is σ = 2630990412. Its totient is φ = 584664528.

The previous prime is 1461661301. The next prime is 1461661349. The reversal of 1461661330 is 331661641.

It can be written as a sum of positive squares in 2 ways, for example, as 1413233649 + 48427681 = 37593^2 + 6959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1461661292 and 1461661301.

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 3 ways as a sum of consecutive naturals, for example, 73083057 + ... + 73083076.

Almost surely, 2^1461661330 is an apocalyptic number.

1461661330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461661330 is a deficient number, since it is larger than the sum of its proper divisors (1169329082).

1461661330 is a wasteful number, since it uses less digits than its factorization.

1461661330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146166140.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1461661330 is about 38231.6796649062. The cubic root of 1461661330 is about 1134.8773257156.

The spelling of 1461661330 in words is "one billion, four hundred sixty-one million, six hundred sixty-one thousand, three hundred thirty".