260012661646 has 8 divisors (see below), whose sum is σ = 390136726224. Its totient is φ = 129967086240.

The previous prime is 260012661631. The next prime is 260012661691. The reversal of 260012661646 is 646166210062.

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

It is a junction number, because it is equal to n+sod(n) for n = 260012661599 and 260012661608.

It is a congruent number.

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, 19614010 + ... + 19627261.

It is an arithmetic number, because the mean of its divisors is an integer number (48767090778).

Almost surely, 2^260012661646 is an apocalyptic number.

260012661646 is a deficient number, since it is larger than the sum of its proper divisors (130124064578).

260012661646 is a wasteful number, since it uses less digits than its factorization.

260012661646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39244586.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 260012661646 in words is "two hundred sixty billion, twelve million, six hundred sixty-one thousand, six hundred forty-six".