16286555952 has 240 divisors, whose sum is σ = 49136855040. Its totient is φ = 5218214400.

The previous prime is 16286555903. The next prime is 16286555969. The reversal of 16286555952 is 25955568261.

It is a happy number.

16286555952 is a `hidden beast` number, since 1 + 6 + 2 + 86 + 5 + 559 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11317249 + ... + 11318687.

It is an arithmetic number, because the mean of its divisors is an integer number (204736896).

Almost surely, 2^16286555952 is an apocalyptic number.

16286555952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16286555952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24568427520).

16286555952 is an abundant number, since it is smaller than the sum of its proper divisors (32850299088).

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

16286555952 is a wasteful number, since it uses less digits than its factorization.

16286555952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1556 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 16286555952 in words is "sixteen billion, two hundred eighty-six million, five hundred fifty-five thousand, nine hundred fifty-two".