16158776700 has 144 divisors (see below), whose sum is σ = 51089230080. Its totient is φ = 3910656000.

The previous prime is 16158776693. The next prime is 16158776723. The reversal of 16158776700 is 767785161.

It is a happy number.

It is a super-2 number, since 2×16158776700² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16158776700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2111481 + ... + 2119119.

It is an arithmetic number, because the mean of its divisors is an integer number (354786320).

Almost surely, 2^16158776700 is an apocalyptic number.

16158776700 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 16158776700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25544615040).

16158776700 is an abundant number, since it is smaller than the sum of its proper divisors (34930453380).

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

16158776700 is a wasteful number, since it uses less digits than its factorization.

16158776700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 16158776700 in words is "sixteen billion, one hundred fifty-eight million, seven hundred seventy-six thousand, seven hundred".