32251656261 has 16 divisors (see below), whose sum is σ = 46915283520. Its totient is φ = 19544881920.

The previous prime is 32251656257. The next prime is 32251656263. The reversal of 32251656261 is 16265615223.

It is not a de Polignac number, because 32251656261 - 2² = 32251656257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32251656263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476925 + ... + 540333.

It is an arithmetic number, because the mean of its divisors is an integer number (2932205220).

Almost surely, 2^32251656261 is an apocalyptic number.

It is an amenable number.

32251656261 is a deficient number, since it is larger than the sum of its proper divisors (14663627259).

32251656261 is a wasteful number, since it uses less digits than its factorization.

32251656261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78836.

The product of its digits is 129600, while the sum is 39.

The spelling of 32251656261 in words is "thirty-two billion, two hundred fifty-one million, six hundred fifty-six thousand, two hundred sixty-one".