16650602652 has 72 divisors (see below), whose sum is σ = 41310908800. Its totient is φ = 5205297600.

The previous prime is 16650602651. The next prime is 16650602653. The reversal of 16650602652 is 25620605661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16650602651) and next prime (16650602653).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16650602652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650602651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322249 + ... + 2329407.

Almost surely, 2^16650602652 is an apocalyptic number.

16650602652 is a gapful number since it is divisible by the number (12) 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 16650602652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20655454400).

16650602652 is an abundant number, since it is smaller than the sum of its proper divisors (24660306148).

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

16650602652 is a wasteful number, since it uses less digits than its factorization.

16650602652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387 (or 7284 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 16650602652 in words is "sixteen billion, six hundred fifty million, six hundred two thousand, six hundred fifty-two".