1099354959616 has 18 divisors (see below), whose sum is σ = 2194415564432. Its totient is φ = 549677479680.

The previous prime is 1099354959551. The next prime is 1099354959691. The reversal of 1099354959616 is 6169594539901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147177400 + ... + 2147177911.

Almost surely, 2^{1099354959616} is an apocalyptic number.

1099354959616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1099354959616 is a deficient number, since it is larger than the sum of its proper divisors (1095060604816).

1099354959616 is an frugal number, since it uses more digits than its factorization.

1099354959616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294355327 (or 4294355313 counting only the distinct ones).

The product of its (nonzero) digits is 70858800, while the sum is 67.

The spelling of 1099354959616 in words is "one trillion, ninety-nine billion, three hundred fifty-four million, nine hundred fifty-nine thousand, six hundred sixteen".