202145613616 has 80 divisors (see below), whose sum is σ = 417480467040. Its totient is φ = 94489804800.

The previous prime is 202145613613. The next prime is 202145613647. The reversal of 202145613616 is 616316541202.

It is not an unprimeable number, because it can be changed into a prime (202145613611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58472560 + ... + 58476016.

It is an arithmetic number, because the mean of its divisors is an integer number (5218505838).

Almost surely, 2^202145613616 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 202145613616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208740233520).

202145613616 is an abundant number, since it is smaller than the sum of its proper divisors (215334853424).

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

202145613616 is a wasteful number, since it uses less digits than its factorization.

202145613616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 202145613616 in words is "two hundred two billion, one hundred forty-five million, six hundred thirteen thousand, six hundred sixteen".