1099493667 has 12 divisors (see below), whose sum is σ = 1589089320. Its totient is φ = 732565728.

The previous prime is 1099493663. The next prime is 1099493669. The reversal of 1099493667 is 7663949901.

1099493667 is a `hidden beast` number, since 1 + 0 + 99 + 493 + 6 + 67 = 666.

It is not a de Polignac number, because 1099493667 - 2² = 1099493663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1099493663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19242 + ... + 50687.

It is an arithmetic number, because the mean of its divisors is an integer number (132424110).

Almost surely, 2^1099493667 is an apocalyptic number.

1099493667 is a deficient number, since it is larger than the sum of its proper divisors (489595653).

1099493667 is a wasteful number, since it uses less digits than its factorization.

1099493667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71682 (or 71679 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 1099493667 is about 33158.6137677678. The cubic root of 1099493667 is about 1032.1217040307.

The spelling of 1099493667 in words is "one billion, ninety-nine million, four hundred ninety-three thousand, six hundred sixty-seven".