1096961638 has 8 divisors (see below), whose sum is σ = 1655537688. Its totient is φ = 545115744.

The previous prime is 1096961557. The next prime is 1096961641. The reversal of 1096961638 is 8361696901.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1096961591 and 1096961600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682131 + ... + 1682782.

It is an arithmetic number, because the mean of its divisors is an integer number (206942211).

Almost surely, 2^1096961638 is an apocalyptic number.

1096961638 is a deficient number, since it is larger than the sum of its proper divisors (558576050).

1096961638 is a wasteful number, since it uses less digits than its factorization.

1096961638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365078.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1096961638 is about 33120.4111991382. The cubic root of 1096961638 is about 1031.3288024606.

The spelling of 1096961638 in words is "one billion, ninety-six million, nine hundred sixty-one thousand, six hundred thirty-eight".