16726231020 has 96 divisors (see below), whose sum is σ = 47507765760. Its totient is φ = 4396423680.

The previous prime is 16726230953. The next prime is 16726231073. The reversal of 16726231020 is 2013262761.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762809 + ... + 1772271.

It is an arithmetic number, because the mean of its divisors is an integer number (494872560).

Almost surely, 2^16726231020 is an apocalyptic number.

16726231020 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 16726231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23753882880).

16726231020 is an abundant number, since it is smaller than the sum of its proper divisors (30781534740).

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

16726231020 is a wasteful number, since it uses less digits than its factorization.

16726231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895 (or 9893 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 16726231020 its reverse (2013262761), we get a palindrome (18739493781).

The spelling of 16726231020 in words is "sixteen billion, seven hundred twenty-six million, two hundred thirty-one thousand, twenty".