2367201681 has 12 divisors (see below), whose sum is σ = 3682313908. Its totient is φ = 1456739424.

The previous prime is 2367201673. The next prime is 2367201709. The reversal of 2367201681 is 1861027632.

It can be written as a sum of positive squares in 2 ways, for example, as 135489600 + 2231712081 = 11640^2 + 47241^2 .

It is not a de Polignac number, because 2367201681 - 2³ = 2367201673 is a prime.

It is a super-2 number, since 2×2367201681² = 11207287597058451522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2367201181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10116130 + ... + 10116363.

Almost surely, 2^2367201681 is an apocalyptic number.

It is an amenable number.

2367201681 is a deficient number, since it is larger than the sum of its proper divisors (1315112227).

2367201681 is a wasteful number, since it uses less digits than its factorization.

2367201681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232512 (or 20232509 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2367201681 is about 48653.8968737346. The cubic root of 2367201681 is about 1332.7389391374.

The spelling of 2367201681 in words is "two billion, three hundred sixty-seven million, two hundred one thousand, six hundred eighty-one".