16254126243640 has 64 divisors (see below), whose sum is σ = 36894718281600. Its totient is φ = 6444442487808.

The previous prime is 16254126243587. The next prime is 16254126243709. The reversal of 16254126243640 is 4634262145261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595584 + ... + 5732623.

It is an arithmetic number, because the mean of its divisors is an integer number (576479973150).

Almost surely, 2^{16254126243640} is an apocalyptic number.

16254126243640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16254126243640 is an abundant number, since it is smaller than the sum of its proper divisors (20640592037960).

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

16254126243640 is a wasteful number, since it uses less digits than its factorization.

16254126243640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328784 (or 6328780 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 16254126243640 in words is "sixteen trillion, two hundred fifty-four billion, one hundred twenty-six million, two hundred forty-three thousand, six hundred forty".