1607040471481 has 9 divisors (see below), whose sum is σ = 1679980160271. Its totient is φ = 1537141257432.

The previous prime is 1607040471467. The next prime is 1607040471571. The reversal of 1607040471481 is 1841740407061.

The square root of 1607040471481 is 1267691.

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., 1565213677225 + 41826794256 = 1251085^2 + 204516^2 .

It is not a de Polignac number, because 1607040471481 - 2¹³ = 1607040463289 is a prime.

It is a super-2 number, since 2×1607040471481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1607040471181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29129335 + ... + 29184451.

Almost surely, 2^{1607040471481} is an apocalyptic number.

1607040471481 is the 1267691-st square number.

1607040471481 is the 633846-th centered octagonal number.

It is an amenable number.

1607040471481 is a deficient number, since it is larger than the sum of its proper divisors (72939688790).

1607040471481 is an frugal number, since it uses more digits than its factorization.

1607040471481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110280 (or 55140 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 1607040471481 in words is "one trillion, six hundred seven billion, forty million, four hundred seventy-one thousand, four hundred eighty-one".