1650630960 has 560 divisors, whose sum is σ = 6557580288. Its totient is φ = 382579200.

The previous prime is 1650630953. The next prime is 1650630983. The reversal of 1650630960 is 690360561.

1650630960 is a `hidden beast` number, since 16 + 5 + 0 + 630 + 9 + 6 + 0 = 666.

It is a super-2 number, since 2×1650630960² = 5449165132221043200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 19887079 + ... + 19887161.

Almost surely, 2^1650630960 is an apocalyptic number.

1650630960 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 1650630960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3278790144).

1650630960 is an abundant number, since it is smaller than the sum of its proper divisors (4906949328).

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

1650630960 is a wasteful number, since it uses less digits than its factorization.

1650630960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 1650630960 is about 40627.9578615514. The cubic root of 1650630960 is about 1181.8163542665.

The spelling of 1650630960 in words is "one billion, six hundred fifty million, six hundred thirty thousand, nine hundred sixty".