261646070160462 has 64 divisors (see below), whose sum is σ = 571995844632576. Its totient is φ = 79307458640640.

The previous prime is 261646070160451. The next prime is 261646070160479. The reversal of 261646070160462 is 264061070646162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83720343 + ... + 86789330.

It is an arithmetic number, because the mean of its divisors is an integer number (8937435072384).

Almost surely, 2^{261646070160462} is an apocalyptic number.

261646070160462 is an abundant number, since it is smaller than the sum of its proper divisors (310349774472114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261646070160462 is a wasteful number, since it uses less digits than its factorization.

261646070160462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170509985.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 261646070160462 in words is "two hundred sixty-one trillion, six hundred forty-six billion, seventy million, one hundred sixty thousand, four hundred sixty-two".