1098662816 has 24 divisors (see below), whose sum is σ = 2232768384. Its totient is φ = 531610560.

The previous prime is 1098662801. The next prime is 1098662891. The reversal of 1098662816 is 6182668901.

It is a super-2 number, since 2×1098662816² = 2414119966522099712, which contains 22 as substring.

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, 552770 + ... + 554753.

It is an arithmetic number, because the mean of its divisors is an integer number (93032016).

Almost surely, 2^1098662816 is an apocalyptic number.

1098662816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1098662816 is an abundant number, since it is smaller than the sum of its proper divisors (1134105568).

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

1098662816 is a wasteful number, since it uses less digits than its factorization.

1098662816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107564 (or 1107556 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1098662816 is about 33146.0829661666. The cubic root of 1098662816 is about 1031.8616584384.

The spelling of 1098662816 in words is "one billion, ninety-eight million, six hundred sixty-two thousand, eight hundred sixteen".