16265620516 has 24 divisors (see below), whose sum is σ = 30660585984. Its totient is φ = 7528266240.

The previous prime is 16265620507. The next prime is 16265620517. The reversal of 16265620516 is 61502656261.

It is not an unprimeable number, because it can be changed into a prime (16265620517) 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, 2848765 + ... + 2854468.

It is an arithmetic number, because the mean of its divisors is an integer number (1277524416).

Almost surely, 2^16265620516 is an apocalyptic number.

It is an amenable number.

16265620516 is a deficient number, since it is larger than the sum of its proper divisors (14394965468).

16265620516 is a wasteful number, since it uses less digits than its factorization.

16265620516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703291 (or 5703289 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 16265620516 in words is "sixteen billion, two hundred sixty-five million, six hundred twenty thousand, five hundred sixteen".