196457380158 has 32 divisors (see below), whose sum is σ = 423169520256. Its totient is φ = 60444060768.

The previous prime is 196457380157. The next prime is 196457380193. The reversal of 196457380158 is 851083754691.

It is a junction number, because it is equal to n+sod(n) for n = 196457380098 and 196457380107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196457380153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094985 + ... + 1261707.

It is an arithmetic number, because the mean of its divisors is an integer number (13224047508).

Almost surely, 2^196457380158 is an apocalyptic number.

196457380158 is an abundant number, since it is smaller than the sum of its proper divisors (226712140098).

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

196457380158 is a wasteful number, since it uses less digits than its factorization.

196457380158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181848.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 196457380158 in words is "one hundred ninety-six billion, four hundred fifty-seven million, three hundred eighty thousand, one hundred fifty-eight".