16287061392 has 640 divisors, whose sum is σ = 58567680000. Its totient is φ = 4375679616.

The previous prime is 16287061391. The next prime is 16287061393. The reversal of 16287061392 is 29316078261.

16287061392 is a `hidden beast` number, since 1 + 6 + 28 + 7 + 0 + 613 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (16287061391) and next prime (16287061393).

It is not an unprimeable number, because it can be changed into a prime (16287061391) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 276051859 + ... + 276051917.

It is an arithmetic number, because the mean of its divisors is an integer number (91512000).

Almost surely, 2^16287061392 is an apocalyptic number.

16287061392 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 16287061392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29283840000).

16287061392 is an abundant number, since it is smaller than the sum of its proper divisors (42280618608).

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

16287061392 is an frugal number, since it uses more digits than its factorization.

16287061392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 16287061392 in words is "sixteen billion, two hundred eighty-seven million, sixty-one thousand, three hundred ninety-two".