16531633314 has 96 divisors (see below), whose sum is σ = 42479124480. Its totient is φ = 4546821600.

The previous prime is 16531633301. The next prime is 16531633351. The reversal of 16531633314 is 41333613561.

16531633314 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 1 + 633 + 3 + 14 = 666.

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, 734967 + ... + 757125.

It is an arithmetic number, because the mean of its divisors is an integer number (442490880).

Almost surely, 2^16531633314 is an apocalyptic number.

16531633314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16531633314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21239562240).

16531633314 is an abundant number, since it is smaller than the sum of its proper divisors (25947491166).

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

16531633314 is a wasteful number, since it uses less digits than its factorization.

16531633314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22396 (or 22393 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The spelling of 16531633314 in words is "sixteen billion, five hundred thirty-one million, six hundred thirty-three thousand, three hundred fourteen".