1099418660832 has 48 divisors (see below), whose sum is σ = 2886102312912. Its totient is φ = 366456591360.

The previous prime is 1099418660773. The next prime is 1099418660833. The reversal of 1099418660832 is 2380668149901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099418660833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020948 + ... + 2506604.

It is an arithmetic number, because the mean of its divisors is an integer number (60127131519).

Almost surely, 2^{1099418660832} is an apocalyptic number.

1099418660832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1099418660832 is an abundant number, since it is smaller than the sum of its proper divisors (1786683652080).

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

1099418660832 is a wasteful number, since it uses less digits than its factorization.

1099418660832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509251 (or 509243 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 1099418660832 in words is "one trillion, ninety-nine billion, four hundred eighteen million, six hundred sixty thousand, eight hundred thirty-two".