196669154 has 32 divisors (see below), whose sum is σ = 328950720. Its totient is φ = 87436800.

The previous prime is 196669153. The next prime is 196669163. The reversal of 196669154 is 451966691.

It is a happy number.

It is a super-2 number, since 2×196669154² = 77357512270151432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196669099 and 196669108.

It is not an unprimeable number, because it can be changed into a prime (196669153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222794 + ... + 223674.

It is an arithmetic number, because the mean of its divisors is an integer number (10279710).

Almost surely, 2^196669154 is an apocalyptic number.

196669154 is a deficient number, since it is larger than the sum of its proper divisors (132281566).

196669154 is a wasteful number, since it uses less digits than its factorization.

196669154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its digits is 349920, while the sum is 47.

The square root of 196669154 is about 14023.8779943352. The cubic root of 196669154 is about 581.5388721896.

The spelling of 196669154 in words is "one hundred ninety-six million, six hundred sixty-nine thousand, one hundred fifty-four".