201565496 has 16 divisors (see below), whose sum is σ = 412293240. Its totient is φ = 91620640.

The previous prime is 201565487. The next prime is 201565499. The reversal of 201565496 is 694565102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201565499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145171 + ... + 1145346.

Almost surely, 2^201565496 is an apocalyptic number.

It is an amenable number.

201565496 is an abundant number, since it is smaller than the sum of its proper divisors (210727744).

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

201565496 is a wasteful number, since it uses less digits than its factorization.

201565496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290534 (or 2290530 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 201565496 is about 14197.3763773452. The cubic root of 201565496 is about 586.3254297132.

It can be divided in two parts, 20156 and 5496, that added together give a palindrome (25652).

The spelling of 201565496 in words is "two hundred one million, five hundred sixty-five thousand, four hundred ninety-six".