196550518 has 16 divisors (see below), whose sum is σ = 298821600. Its totient is φ = 96950016.

The previous prime is 196550491. The next prime is 196550521. The reversal of 196550518 is 815055691.

It is a super-2 number, since 2×196550518² = 77264212252136648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66255 + ... + 69157.

It is an arithmetic number, because the mean of its divisors is an integer number (18676350).

Almost surely, 2^196550518 is an apocalyptic number.

196550518 is a deficient number, since it is larger than the sum of its proper divisors (102271082).

196550518 is a wasteful number, since it uses less digits than its factorization.

196550518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 54000, while the sum is 40.

The square root of 196550518 is about 14019.6475704634. The cubic root of 196550518 is about 581.4219154946.

The spelling of 196550518 in words is "one hundred ninety-six million, five hundred fifty thousand, five hundred eighteen".