196635525120 has 456 divisors, whose sum is σ = 693568786560. Its totient is φ = 51527024640.

The previous prime is 196635525113. The next prime is 196635525131. The reversal of 196635525120 is 21525536691.

196635525120 is a `hidden beast` number, since 1 + 9 + 6 + 635 + 5 + 2 + 5 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931921815 + ... + 931922025.

Almost surely, 2^196635525120 is an apocalyptic number.

196635525120 is a gapful number since it is divisible by the number (10) 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 196635525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346784393280).

196635525120 is an abundant number, since it is smaller than the sum of its proper divisors (496933261440).

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

196635525120 is an frugal number, since it uses more digits than its factorization.

196635525120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 196635525120 in words is "one hundred ninety-six billion, six hundred thirty-five million, five hundred twenty-five thousand, one hundred twenty".