261632231162 has 8 divisors (see below), whose sum is σ = 392450597856. Its totient is φ = 130815365212.

The previous prime is 261632231143. The next prime is 261632231239. The reversal of 261632231162 is 261132236162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313433 + ... + 788355.

It is an arithmetic number, because the mean of its divisors is an integer number (49056324732).

Almost surely, 2^261632231162 is an apocalyptic number.

261632231162 is a deficient number, since it is larger than the sum of its proper divisors (130818366694).

261632231162 is a wasteful number, since it uses less digits than its factorization.

261632231162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750372.

The product of its digits is 31104, while the sum is 35.

The spelling of 261632231162 in words is "two hundred sixty-one billion, six hundred thirty-two million, two hundred thirty-one thousand, one hundred sixty-two".