260164621140351 has 4 divisors (see below), whose sum is σ = 346886161520472. Its totient is φ = 173443080760232.

The previous prime is 260164621140293. The next prime is 260164621140493. The reversal of 260164621140351 is 153041126461062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260164621140351 - 2¹⁸ = 260164620878207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260164621140251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43360770190056 + ... + 43360770190061.

It is an arithmetic number, because the mean of its divisors is an integer number (86721540380118).

Almost surely, 2^{260164621140351} is an apocalyptic number.

260164621140351 is a deficient number, since it is larger than the sum of its proper divisors (86721540380121).

260164621140351 is an equidigital number, since it uses as much as digits as its factorization.

260164621140351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86721540380120.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 260164621140351 in words is "two hundred sixty trillion, one hundred sixty-four billion, six hundred twenty-one million, one hundred forty thousand, three hundred fifty-one".