1606257505244 has 48 divisors (see below), whose sum is σ = 3352701240000. Its totient is φ = 658776308736.

The previous prime is 1606257505231. The next prime is 1606257505291. The reversal of 1606257505244 is 4425057526061.

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, 8661119 + ... + 8844630.

It is an arithmetic number, because the mean of its divisors is an integer number (69847942500).

Almost surely, 2^{1606257505244} is an apocalyptic number.

1606257505244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1606257505244 is an abundant number, since it is smaller than the sum of its proper divisors (1746443734756).

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

1606257505244 is a wasteful number, since it uses less digits than its factorization.

1606257505244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505902 (or 17505900 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 1606257505244 in words is "one trillion, six hundred six billion, two hundred fifty-seven million, five hundred five thousand, two hundred forty-four".