16206490368 has 432 divisors, whose sum is σ = 51854939136. Its totient is φ = 5036359680.

The previous prime is 16206490357. The next prime is 16206490409. The reversal of 16206490368 is 86309460261.

It is a tau number, because it is divible by the number of its divisors (432).

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, 67246728 + ... + 67246968.

Almost surely, 2^16206490368 is an apocalyptic number.

16206490368 is a gapful number since it is divisible by the number (18) 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 16206490368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25927469568).

16206490368 is an abundant number, since it is smaller than the sum of its proper divisors (35648448768).

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

16206490368 is an equidigital number, since it uses as much as digits as its factorization.

16206490368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 16206490368 in words is "sixteen billion, two hundred six million, four hundred ninety thousand, three hundred sixty-eight".