195757307121246 has 16 divisors (see below), whose sum is σ = 421631123030544. Its totient is φ = 60233017575744.

The previous prime is 195757307121239. The next prime is 195757307121269. The reversal of 195757307121246 is 642121703757591.

It is a self number, because there is not a number n which added to its sum of digits gives 195757307121246.

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, 1254854532751 + ... + 1254854532906.

It is an arithmetic number, because the mean of its divisors is an integer number (26351945189409).

Almost surely, 2^{195757307121246} is an apocalyptic number.

195757307121246 is an abundant number, since it is smaller than the sum of its proper divisors (225873815909298).

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

195757307121246 is a wasteful number, since it uses less digits than its factorization.

195757307121246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509709065675.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 195757307121246 in words is "one hundred ninety-five trillion, seven hundred fifty-seven billion, three hundred seven million, one hundred twenty-one thousand, two hundred forty-six".