16722953100 has 216 divisors, whose sum is σ = 61838486528. Its totient is φ = 3699043200.

The previous prime is 16722953059. The next prime is 16722953167. The reversal of 16722953100 is 135922761.

It is a super-2 number, since 2×16722953100² (a number of 21 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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 152487 + ... + 238113.

Almost surely, 2^16722953100 is an apocalyptic number.

16722953100 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 16722953100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30919243264).

16722953100 is an abundant number, since it is smaller than the sum of its proper divisors (45115533428).

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

16722953100 is a wasteful number, since it uses less digits than its factorization.

16722953100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85685 (or 85675 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 16722953100 in words is "sixteen billion, seven hundred twenty-two million, nine hundred fifty-three thousand, one hundred".