1437286879161 has 27 divisors (see below), whose sum is σ = 2415075359151. Its totient is φ = 821292401664.

The previous prime is 1437286879129. The next prime is 1437286879201. The reversal of 1437286879161 is 1619786827341.

The square root of 1437286879161 is 1198869.

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., 606636919161 + 830649960000 = 778869^2 + 911400^2 .

It is not a de Polignac number, because 1437286879161 - 2⁵ = 1437286879129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1437286879361) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25147705 + ... + 25204793.

Almost surely, 2^{1437286879161} is an apocalyptic number.

1437286879161 is the 1198869-th square number.

1437286879161 is the 599435-th centered octagonal number.

It is an amenable number.

1437286879161 is a deficient number, since it is larger than the sum of its proper divisors (977788479990).

1437286879161 is an frugal number, since it uses more digits than its factorization.

1437286879161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114198 (or 57099 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 1437286879161 in words is "one trillion, four hundred thirty-seven billion, two hundred eighty-six million, eight hundred seventy-nine thousand, one hundred sixty-one".