196501950 has 108 divisors (see below), whose sum is σ = 549127800. Its totient is φ = 52313040.

The previous prime is 196501939. The next prime is 196501957. The reversal of 196501950 is 59105691.

It is a super-2 number, since 2×196501950² = 77226032707605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196501957) 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 53 ways as a sum of consecutive naturals, for example, 327751 + ... + 328349.

Almost surely, 2^196501950 is an apocalyptic number.

196501950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196501950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274563900).

196501950 is an abundant number, since it is smaller than the sum of its proper divisors (352625850).

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

196501950 is an frugal number, since it uses more digits than its factorization.

196501950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 196501950 is about 14017.9153229002. The cubic root of 196501950 is about 581.3740214025.

The spelling of 196501950 in words is "one hundred ninety-six million, five hundred one thousand, nine hundred fifty".