32645232261 has 12 divisors (see below), whose sum is σ = 49636025920. Its totient is φ = 20618041320.

The previous prime is 32645232251. The next prime is 32645232353. The reversal of 32645232261 is 16223254623.

32645232261 is a `hidden beast` number, since 3 + 2 + 645 + 2 + 3 + 2 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 32645232261 - 2¹⁸ = 32644970117 is a prime.

It is a super-2 number, since 2×32645232261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32645232211) 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, 95453725 + ... + 95454066.

Almost surely, 2^32645232261 is an apocalyptic number.

It is an amenable number.

32645232261 is a deficient number, since it is larger than the sum of its proper divisors (16990793659).

32645232261 is a wasteful number, since it uses less digits than its factorization.

32645232261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190907816 (or 190907813 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 32645232261 its reverse (16223254623), we get a palindrome (48868486884).

The spelling of 32645232261 in words is "thirty-two billion, six hundred forty-five million, two hundred thirty-two thousand, two hundred sixty-one".