1326685630 has 16 divisors (see below), whose sum is σ = 2389996224. Its totient is φ = 530238240.

The previous prime is 1326685567. The next prime is 1326685651. The reversal of 1326685630 is 365866231.

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 7 ways as a sum of consecutive naturals, for example, 41577 + ... + 66196.

It is an arithmetic number, because the mean of its divisors is an integer number (149374764).

Almost surely, 2^1326685630 is an apocalyptic number.

1326685630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326685630 is a deficient number, since it is larger than the sum of its proper divisors (1063310594).

1326685630 is a wasteful number, since it uses less digits than its factorization.

1326685630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109011.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1326685630 is about 36423.6959958761. The cubic root of 1326685630 is about 1098.8101818133.

The spelling of 1326685630 in words is "one billion, three hundred twenty-six million, six hundred eighty-five thousand, six hundred thirty".