260121910507198 has 8 divisors (see below), whose sum is σ = 390964795353000. Its totient is φ = 129800312056200.

The previous prime is 260121910507177. The next prime is 260121910507201. The reversal of 260121910507198 is 891705019121062.

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

It is a super-2 number, since 2×260121910507198² (a number of 30 digits) contains 22 as substring.

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, 130321597453 + ... + 130321599448.

It is an arithmetic number, because the mean of its divisors is an integer number (48870599419125).

Almost surely, 2^{260121910507198} is an apocalyptic number.

260121910507198 is a deficient number, since it is larger than the sum of its proper divisors (130842884845802).

260121910507198 is a wasteful number, since it uses less digits than its factorization.

260121910507198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260643197402.

The product of its (nonzero) digits is 544320, while the sum is 52.

The spelling of 260121910507198 in words is "two hundred sixty trillion, one hundred twenty-one billion, nine hundred ten million, five hundred seven thousand, one hundred ninety-eight".