16250621412 has 24 divisors (see below), whose sum is σ = 37950256512. Its totient is φ = 5412282400.

The previous prime is 16250621407. The next prime is 16250621467. The reversal of 16250621412 is 21412605261.

It is a self number, because there is not a number n which added to its sum of digits gives 16250621412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559164 + ... + 587507.

It is an arithmetic number, because the mean of its divisors is an integer number (1581260688).

Almost surely, 2^16250621412 is an apocalyptic number.

16250621412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16250621412 is an abundant number, since it is smaller than the sum of its proper divisors (21699635100).

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

16250621412 is a wasteful number, since it uses less digits than its factorization.

16250621412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147859 (or 1147857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 16250621412 in words is "sixteen billion, two hundred fifty million, six hundred twenty-one thousand, four hundred twelve".