16626607080 has 128 divisors (see below), whose sum is σ = 52107909120. Its totient is φ = 4236151040.

The previous prime is 16626607079. The next prime is 16626607117. The reversal of 16626607080 is 8070662661.

It is a happy number.

It is a super-2 number, since 2×16626607080² (a number of 21 digits) contains 22 as substring.

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, 2842639 + ... + 2848481.

It is an arithmetic number, because the mean of its divisors is an integer number (407093040).

Almost surely, 2^16626607080 is an apocalyptic number.

16626607080 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 16626607080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26053954560).

16626607080 is an abundant number, since it is smaller than the sum of its proper divisors (35481302040).

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

16626607080 is a wasteful number, since it uses less digits than its factorization.

16626607080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 16626607080 in words is "sixteen billion, six hundred twenty-six million, six hundred seven thousand, eighty".