16264663420 has 12 divisors (see below), whose sum is σ = 34155793224. Its totient is φ = 6505865360.

The previous prime is 16264663397. The next prime is 16264663421. The reversal of 16264663420 is 2436646261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16264663421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406616566 + ... + 406616605.

It is an arithmetic number, because the mean of its divisors is an integer number (2846316102).

Almost surely, 2^16264663420 is an apocalyptic number.

16264663420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16264663420 is an abundant number, since it is smaller than the sum of its proper divisors (17891129804).

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

16264663420 is a wasteful number, since it uses less digits than its factorization.

16264663420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813233180 (or 813233178 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 16264663420 in words is "sixteen billion, two hundred sixty-four million, six hundred sixty-three thousand, four hundred twenty".