16265453838 has 16 divisors (see below), whose sum is σ = 32533394256. Its totient is φ = 5421403520.

The previous prime is 16265453821. The next prime is 16265453873. The reversal of 16265453838 is 83835456261.

It is a super-3 number, since 3×16265453838³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12393 + ... + 180788.

It is an arithmetic number, because the mean of its divisors is an integer number (2033337141).

Almost surely, 2^16265453838 is an apocalyptic number.

16265453838 is an abundant number, since it is smaller than the sum of its proper divisors (16267940418).

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

16265453838 is a wasteful number, since it uses less digits than its factorization.

16265453838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207219.

The product of its digits is 4147200, while the sum is 51.

The spelling of 16265453838 in words is "sixteen billion, two hundred sixty-five million, four hundred fifty-three thousand, eight hundred thirty-eight".