1098215066 has 48 divisors (see below), whose sum is σ = 1848645504. Its totient is φ = 488771712.

The previous prime is 1098215059. The next prime is 1098215077. The reversal of 1098215066 is 6605128901.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159205 + ... + 1160151.

It is an arithmetic number, because the mean of its divisors is an integer number (38513448).

Almost surely, 2^1098215066 is an apocalyptic number.

1098215066 is a deficient number, since it is larger than the sum of its proper divisors (750430438).

1098215066 is a wasteful number, since it uses less digits than its factorization.

1098215066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1098215066 is about 33139.3280861275. The cubic root of 1098215066 is about 1031.7214641257.

The spelling of 1098215066 in words is "one billion, ninety-eight million, two hundred fifteen thousand, sixty-six".