23211659016 has 384 divisors, whose sum is σ = 82099180800. Its totient is φ = 5752995840.

The previous prime is 23211658993. The next prime is 23211659027. The reversal of 23211659016 is 61095611232.

23211659016 is a `hidden beast` number, since 23 + 21 + 16 + 590 + 16 = 666.

It is a super-2 number, since 2×23211659016² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17054176 + ... + 17055536.

It is an arithmetic number, because the mean of its divisors is an integer number (213799950).

Almost surely, 2^23211659016 is an apocalyptic number.

23211659016 is a gapful number since it is divisible by the number (26) 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 23211659016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41049590400).

23211659016 is an abundant number, since it is smaller than the sum of its proper divisors (58887521784).

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

23211659016 is a wasteful number, since it uses less digits than its factorization.

23211659016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 23211659016 in words is "twenty-three billion, two hundred eleven million, six hundred fifty-nine thousand, sixteen".