196923378057 has 32 divisors (see below), whose sum is σ = 326312301312. Its totient is φ = 103045976064.

The previous prime is 196923378037. The next prime is 196923378097. The reversal of 196923378057 is 750873329691.

It is not a de Polignac number, because 196923378057 - 2¹⁸ = 196923115913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196923378017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7440928 + ... + 7467345.

It is an arithmetic number, because the mean of its divisors is an integer number (10197259416).

Almost surely, 2^196923378057 is an apocalyptic number.

196923378057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

196923378057 is a deficient number, since it is larger than the sum of its proper divisors (129388923255).

196923378057 is a wasteful number, since it uses less digits than its factorization.

196923378057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14908337.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 196923378057 in words is "one hundred ninety-six billion, nine hundred twenty-three million, three hundred seventy-eight thousand, fifty-seven".