16265763616 has 48 divisors (see below), whose sum is σ = 32249980224. Its totient is φ = 8075463424.

The previous prime is 16265763607. The next prime is 16265763617. The reversal of 16265763616 is 61636756261.

It is a self number, because there is not a number n which added to its sum of digits gives 16265763616.

It is not an unprimeable number, because it can be changed into a prime (16265763617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3546861 + ... + 3551443.

It is an arithmetic number, because the mean of its divisors is an integer number (671874588).

Almost surely, 2^16265763616 is an apocalyptic number.

16265763616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16265763616 is a deficient number, since it is larger than the sum of its proper divisors (15984216608).

16265763616 is a wasteful number, since it uses less digits than its factorization.

16265763616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353 (or 5345 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The spelling of 16265763616 in words is "sixteen billion, two hundred sixty-five million, seven hundred sixty-three thousand, six hundred sixteen".