16264002000 has 320 divisors, whose sum is σ = 55805428224. Its totient is φ = 4060979200.

The previous prime is 16264001987. The next prime is 16264002031. The reversal of 16264002000 is 20046261.

It is a happy number.

It is a super-2 number, since 2×16264002000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32333749 + ... + 32334251.

Almost surely, 2^16264002000 is an apocalyptic number.

16264002000 is a gapful number since it is divisible by the number (10) 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 16264002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27902714112).

16264002000 is an abundant number, since it is smaller than the sum of its proper divisors (39541426224).

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

16264002000 is a wasteful number, since it uses less digits than its factorization.

16264002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 16264002000 its reverse (20046261), we get a palindrome (16284048261).

The spelling of 16264002000 in words is "sixteen billion, two hundred sixty-four million, two thousand".