1016355640 has 64 divisors (see below), whose sum is σ = 2336700960. Its totient is φ = 397762560.

The previous prime is 1016355631. The next prime is 1016355673. The reversal of 1016355640 is 465536101.

1016355640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381192 + ... + 383848.

Almost surely, 2^1016355640 is an apocalyptic number.

1016355640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016355640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168350480).

1016355640 is an abundant number, since it is smaller than the sum of its proper divisors (1320345320).

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

1016355640 is a wasteful number, since it uses less digits than its factorization.

1016355640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1016355640 is about 31880.3331224754. Note that the first 3 decimals coincide. The cubic root of 1016355640 is about 1005.4224241715.

The spelling of 1016355640 in words is "one billion, sixteen million, three hundred fifty-five thousand, six hundred forty".