196556501 has 8 divisors (see below), whose sum is σ = 211948800. Its totient is φ = 181668960.

The previous prime is 196556473. The next prime is 196556509. The reversal of 196556501 is 105655691.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196556501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196556509) 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, 125381 + ... + 126938.

It is an arithmetic number, because the mean of its divisors is an integer number (26493600).

Almost surely, 2^196556501 is an apocalyptic number.

It is an amenable number.

196556501 is a deficient number, since it is larger than the sum of its proper divisors (15392299).

196556501 is a wasteful number, since it uses less digits than its factorization.

196556501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252379.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 196556501 is about 14019.8609479552. The cubic root of 196556501 is about 581.4278149313.

The spelling of 196556501 in words is "one hundred ninety-six million, five hundred fifty-six thousand, five hundred one".