261369672262 has 16 divisors (see below), whose sum is σ = 409677418080. Its totient is φ = 124826562432.

The previous prime is 261369672257. The next prime is 261369672271. The reversal of 261369672262 is 262276963162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974403 + ... + 4039630.

It is an arithmetic number, because the mean of its divisors is an integer number (25604838630).

Almost surely, 2^261369672262 is an apocalyptic number.

261369672262 is a deficient number, since it is larger than the sum of its proper divisors (148307745818).

261369672262 is a wasteful number, since it uses less digits than its factorization.

261369672262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014767.

The product of its digits is 3919104, while the sum is 52.

The spelling of 261369672262 in words is "two hundred sixty-one billion, three hundred sixty-nine million, six hundred seventy-two thousand, two hundred sixty-two".