196669152 has 144 divisors (see below), whose sum is σ = 595445760. Its totient is φ = 61399296.

The previous prime is 196669147. The next prime is 196669153. The reversal of 196669152 is 251966691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 196669098 and 196669107.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694803 + ... + 695085.

It is an arithmetic number, because the mean of its divisors is an integer number (4135040).

Almost surely, 2^196669152 is an apocalyptic number.

196669152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196669152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297722880).

196669152 is an abundant number, since it is smaller than the sum of its proper divisors (398776608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196669152 is a wasteful number, since it uses less digits than its factorization.

196669152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 434 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 196669152 is about 14023.8779230283. The cubic root of 196669152 is about 581.5388702183.

The spelling of 196669152 in words is "one hundred ninety-six million, six hundred sixty-nine thousand, one hundred fifty-two".