196758530 has 16 divisors (see below), whose sum is σ = 358146360. Its totient is φ = 77818752.

The previous prime is 196758521. The next prime is 196758553. The reversal of 196758530 is 35857691.

It can be written as a sum of positive squares in 4 ways, for example, as 120143521 + 76615009 = 10961^2 + 8753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109649 + ... + 111428.

Almost surely, 2^196758530 is an apocalyptic number.

196758530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196758530 is a deficient number, since it is larger than the sum of its proper divisors (161387830).

196758530 is a wasteful number, since it uses less digits than its factorization.

196758530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221173.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 196758530 is about 14027.0641974720. The cubic root of 196758530 is about 581.6269520024.

The spelling of 196758530 in words is "one hundred ninety-six million, seven hundred fifty-eight thousand, five hundred thirty".