195851394058 has 16 divisors (see below), whose sum is σ = 294300578304. Its totient is φ = 97751253600.

The previous prime is 195851394043. The next prime is 195851394083. The reversal of 195851394058 is 850493158591.

It is a happy number.

It is a super-3 number, since 3×195851394058³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195851393993 and 195851394011.

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, 13180333 + ... + 13195183.

It is an arithmetic number, because the mean of its divisors is an integer number (18393786144).

Almost surely, 2^195851394058 is an apocalyptic number.

195851394058 is a deficient number, since it is larger than the sum of its proper divisors (98449184246).

195851394058 is a wasteful number, since it uses less digits than its factorization.

195851394058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26157.

The product of its (nonzero) digits is 7776000, while the sum is 58.

The spelling of 195851394058 in words is "one hundred ninety-five billion, eight hundred fifty-one million, three hundred ninety-four thousand, fifty-eight".