16291250004 has 12 divisors (see below), whose sum is σ = 38012916704. Its totient is φ = 5430416664.

The previous prime is 16291249973. The next prime is 16291250033. The reversal of 16291250004 is 40005219261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678802072 + ... + 678802095.

Almost surely, 2^16291250004 is an apocalyptic number.

It is an amenable number.

16291250004 is an abundant number, since it is smaller than the sum of its proper divisors (21721666700).

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

16291250004 is a wasteful number, since it uses less digits than its factorization.

16291250004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357604174 (or 1357604172 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 16291250004 its reverse (40005219261), we get a palindrome (56296469265).

The spelling of 16291250004 in words is "sixteen billion, two hundred ninety-one million, two hundred fifty thousand, four".