1650010620 has 144 divisors (see below), whose sum is σ = 4808522880. Its totient is φ = 422690688.

The previous prime is 1650010591. The next prime is 1650010657. The reversal of 1650010620 is 260100561.

It is a happy number.

It is a super-3 number, since 3×1650010620³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11870511 + ... + 11870649.

It is an arithmetic number, because the mean of its divisors is an integer number (33392520).

Almost surely, 2^1650010620 is an apocalyptic number.

1650010620 is a gapful number since it is divisible by the number (10) 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 1650010620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404261440).

1650010620 is an abundant number, since it is smaller than the sum of its proper divisors (3158512260).

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

1650010620 is a wasteful number, since it uses less digits than its factorization.

1650010620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1650010620 is about 40620.3227461329. The cubic root of 1650010620 is about 1181.6682856722.

The spelling of 1650010620 in words is "one billion, six hundred fifty million, ten thousand, six hundred twenty".