196157895 has 8 divisors (see below), whose sum is σ = 313852656. Its totient is φ = 104617536.

The previous prime is 196157891. The next prime is 196157903. The reversal of 196157895 is 598751691.

196157895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 196157895 - 2² = 196157891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196157891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6538582 + ... + 6538611.

It is an arithmetic number, because the mean of its divisors is an integer number (39231582).

Almost surely, 2^196157895 is an apocalyptic number.

196157895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196157895 is a deficient number, since it is larger than the sum of its proper divisors (117694761).

196157895 is a wasteful number, since it uses less digits than its factorization.

196157895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077201.

The product of its digits is 680400, while the sum is 51.

The square root of 196157895 is about 14005.6379719026. The cubic root of 196157895 is about 581.0345141803.

The spelling of 196157895 in words is "one hundred ninety-six million, one hundred fifty-seven thousand, eight hundred ninety-five".