1853170361344 has 99 divisors (see below), whose sum is σ = 3911515151427. Its totient is φ = 877425481728.

The previous prime is 1853170361311. The next prime is 1853170361431. The reversal of 1853170361344 is 4431630713581.

It is a happy number.

The square root of 1853170361344 is 1361312.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1853170361294 and 1853170361303.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 827676577 + ... + 827678815.

Almost surely, 2^{1853170361344} is an apocalyptic number.

1853170361344 is the 1361312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1853170361344

1853170361344 is an abundant number, since it is smaller than the sum of its proper divisors (2058344790083).

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

1853170361344 is an frugal number, since it uses more digits than its factorization.

1853170361344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1853170361344 in words is "one trillion, eight hundred fifty-three billion, one hundred seventy million, three hundred sixty-one thousand, three hundred forty-four".