202041664 has 56 divisors (see below), whose sum is σ = 439936128. Its totient is φ = 91299840.

The previous prime is 202041661. The next prime is 202041667. The reversal of 202041664 is 466140202.

It is an interprime number because it is at equal distance from previous prime (202041661) and next prime (202041667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202041661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135129 + ... + 136615.

Almost surely, 2^202041664 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 202041664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219968064).

202041664 is an abundant number, since it is smaller than the sum of its proper divisors (237894464).

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

202041664 is a wasteful number, since it uses less digits than its factorization.

202041664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 202041664 is about 14214.1360623852. The cubic root of 202041664 is about 586.7867683405.

Adding to 202041664 its reverse (466140202), we get a palindrome (668181866).

The spelling of 202041664 in words is "two hundred two million, forty-one thousand, six hundred sixty-four".