1651648152 has 128 divisors (see below), whose sum is σ = 5199552000. Its totient is φ = 424704000.

The previous prime is 1651648151. The next prime is 1651648237. The reversal of 1651648152 is 2518461561.

It is a self number, because there is not a number n which added to its sum of digits gives 1651648152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651648151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182224 + ... + 191072.

It is an arithmetic number, because the mean of its divisors is an integer number (40621500).

Almost surely, 2^1651648152 is an apocalyptic number.

1651648152 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 1651648152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599776000).

1651648152 is an abundant number, since it is smaller than the sum of its proper divisors (3547903848).

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

1651648152 is a wasteful number, since it uses less digits than its factorization.

1651648152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977 (or 8973 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 1651648152 is about 40640.4743082558. The cubic root of 1651648152 is about 1182.0590669662.

The spelling of 1651648152 in words is "one billion, six hundred fifty-one million, six hundred forty-eight thousand, one hundred fifty-two".