1785018914116 has 27 divisors (see below), whose sum is σ = 3167506972413. Its totient is φ = 880187104800.

The previous prime is 1785018914101. The next prime is 1785018914141. The reversal of 1785018914116 is 6114198105871.

The square root of 1785018914116 is 1336046.

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

It can be written as a sum of positive squares in only one way, i.e., 1013263692100 + 771755222016 = 1006610^2 + 878496^2 .

It is a super-2 number, since 2×1785018914116² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 195058141 + ... + 195067291.

Almost surely, 2^{1785018914116} is an apocalyptic number.

1785018914116 is the 1336046-th square number.

It is an amenable number.

1785018914116 is a deficient number, since it is larger than the sum of its proper divisors (1382488058297).

1785018914116 is an frugal number, since it uses more digits than its factorization.

1785018914116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 52.

The spelling of 1785018914116 in words is "one trillion, seven hundred eighty-five billion, eighteen million, nine hundred fourteen thousand, one hundred sixteen".