1649982150 has 192 divisors, whose sum is σ = 4685414400. Its totient is φ = 432151200.

The previous prime is 1649982127. The next prime is 1649982163. The reversal of 1649982150 is 512899461.

1649982150 is a `hidden beast` number, since 1 + 6 + 499 + 8 + 2 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1649982096 and 1649982105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8638555 + ... + 8638745.

It is an arithmetic number, because the mean of its divisors is an integer number (24403200).

Almost surely, 2^1649982150 is an apocalyptic number.

1649982150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1649982150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342707200).

1649982150 is an abundant number, since it is smaller than the sum of its proper divisors (3035432250).

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

1649982150 is an equidigital number, since it uses as much as digits as its factorization.

1649982150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1649982150 is about 40619.9723042742. The cubic root of 1649982150 is about 1181.6614892938.

The spelling of 1649982150 in words is "one billion, six hundred forty-nine million, nine hundred eighty-two thousand, one hundred fifty".