17949237115716 has 27 divisors (see below), whose sum is σ = 45371746965181. Its totient is φ = 5983070565264.

The previous prime is 17949237115699. The next prime is 17949237115729. The reversal of 17949237115716 is 61751173294971.

The square root of 17949237115716 is 4236654.

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

17949237115716 is a `hidden beast` number, since 1 + 7 + 9 + 49 + 2 + 3 + 7 + 11 + 571 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164798650116 + 17784438465600 = 405954^2 + 4217160^2 .

It is a super-2 number, since 2×17949237115716² (a number of 27 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, 25066870 + ... + 25772978.

Almost surely, 2^{17949237115716} is an apocalyptic number.

17949237115716 is the 4236654-th square number.

It is an amenable number.

17949237115716 is an abundant number, since it is smaller than the sum of its proper divisors (27422509849465).

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

17949237115716 is an frugal number, since it uses more digits than its factorization.

17949237115716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412228 (or 706114 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 63.

The spelling of 17949237115716 in words is "seventeen trillion, nine hundred forty-nine billion, two hundred thirty-seven million, one hundred fifteen thousand, seven hundred sixteen".