1018490916 has 24 divisors (see below), whose sum is σ = 2390713920. Its totient is φ = 337463392.

The previous prime is 1018490861. The next prime is 1018490929. The reversal of 1018490916 is 6190948101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252111 + ... + 256118.

It is an arithmetic number, because the mean of its divisors is an integer number (99613080).

Almost surely, 2^1018490916 is an apocalyptic number.

It is an amenable number.

1018490916 is an abundant number, since it is smaller than the sum of its proper divisors (1372223004).

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

1018490916 is a wasteful number, since it uses less digits than its factorization.

1018490916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508403 (or 508401 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1018490916 is about 31913.8044739263. The cubic root of 1018490916 is about 1006.1260337440.

The spelling of 1018490916 in words is "one billion, eighteen million, four hundred ninety thousand, nine hundred sixteen".