1016630656 has 16 divisors (see below), whose sum is σ = 2025319140. Its totient is φ = 508315264.

The previous prime is 1016630653. The next prime is 1016630677. The reversal of 1016630656 is 6560366101.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016630653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3971086 + ... + 3971341.

Almost surely, 2^1016630656 is an apocalyptic number.

1016630656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1016630656 is a deficient number, since it is larger than the sum of its proper divisors (1008688484).

1016630656 is an frugal number, since it uses more digits than its factorization.

1016630656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942441 (or 7942429 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1016630656 is about 31884.6460855378. The cubic root of 1016630656 is about 1005.5131018524.

Adding to 1016630656 its reverse (6560366101), we get a palindrome (7576996757).

The spelling of 1016630656 in words is "one billion, sixteen million, six hundred thirty thousand, six hundred fifty-six".