16077748500 has 288 divisors, whose sum is σ = 55541566080. Its totient is φ = 3882816000.

The previous prime is 16077748483. The next prime is 16077748513. The reversal of 16077748500 is 584777061.

16077748500 is a `hidden beast` number, since 1 + 6 + 0 + 77 + 74 + 8 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18760072 + ... + 18760928.

It is an arithmetic number, because the mean of its divisors is an integer number (192852660).

Almost surely, 2^16077748500 is an apocalyptic number.

16077748500 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 16077748500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27770783040).

16077748500 is an abundant number, since it is smaller than the sum of its proper divisors (39463817580).

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

16077748500 is a wasteful number, since it uses less digits than its factorization.

16077748500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 16077748500 in words is "sixteen billion, seventy-seven million, seven hundred forty-eight thousand, five hundred".