1099454164 has 12 divisors (see below), whose sum is σ = 1925775124. Its totient is φ = 549232704.

The previous prime is 1099454123. The next prime is 1099454197. The reversal of 1099454164 is 4614549901.

It can be written as a sum of positive squares in 2 ways, for example, as 205922500 + 893531664 = 14350^2 + 29892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1099454164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118569 + ... + 127504.

Almost surely, 2^1099454164 is an apocalyptic number.

It is an amenable number.

1099454164 is a deficient number, since it is larger than the sum of its proper divisors (826320960).

1099454164 is a wasteful number, since it uses less digits than its factorization.

1099454164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247194 (or 247192 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1099454164 is about 33158.0180951757. The cubic root of 1099454164 is about 1032.1093430706.

The spelling of 1099454164 in words is "one billion, ninety-nine million, four hundred fifty-four thousand, one hundred sixty-four".