196061755 has 4 divisors (see below), whose sum is σ = 235274112. Its totient is φ = 156849400.

The previous prime is 196061737. The next prime is 196061759. The reversal of 196061755 is 557160691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557160691 = 2441 ⋅228251.

It is a de Polignac number, because none of the positive numbers 2^k-196061755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196061759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19606171 + ... + 19606180.

It is an arithmetic number, because the mean of its divisors is an integer number (58818528).

Almost surely, 2^196061755 is an apocalyptic number.

196061755 is a deficient number, since it is larger than the sum of its proper divisors (39212357).

196061755 is an equidigital number, since it uses as much as digits as its factorization.

196061755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39212356.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 196061755 is about 14002.2053620135. The cubic root of 196061755 is about 580.9395740187.

The spelling of 196061755 in words is "one hundred ninety-six million, sixty-one thousand, seven hundred fifty-five".