16387376250 has 240 divisors, whose sum is σ = 48168106272. Its totient is φ = 3704400000.

The previous prime is 16387376207. The next prime is 16387376267. The reversal of 16387376250 is 5267378361.

It is a super-2 number, since 2×16387376250² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16387376250.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18558309 + ... + 18559191.

Almost surely, 2^16387376250 is an apocalyptic number.

16387376250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16387376250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24084053136).

16387376250 is an abundant number, since it is smaller than the sum of its proper divisors (31780730022).

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

16387376250 is a wasteful number, since it uses less digits than its factorization.

16387376250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 16387376250 in words is "sixteen billion, three hundred eighty-seven million, three hundred seventy-six thousand, two hundred fifty".