201606020496 has 400 divisors, whose sum is σ = 661654794240. Its totient is φ = 58927461120.

The previous prime is 201606020461. The next prime is 201606020501. The reversal of 201606020496 is 694020606102.

201606020496 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 0 + 602 + 0 + 49 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 201606020496.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17551171 + ... + 17562653.

Almost surely, 2^201606020496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201606020496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330827397120).

201606020496 is an abundant number, since it is smaller than the sum of its proper divisors (460048773744).

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

201606020496 is a wasteful number, since it uses less digits than its factorization.

201606020496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 201606020496 its reverse (694020606102), we get a palindrome (895626626598).

The spelling of 201606020496 in words is "two hundred one billion, six hundred six million, twenty thousand, four hundred ninety-six".