1651698048 has 256 divisors, whose sum is σ = 5892042240. Its totient is φ = 395919360.

The previous prime is 1651698047. The next prime is 1651698077. The reversal of 1651698048 is 8408961561.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1651697988 and 1651698006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651698047) 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, 382236 + ... + 386532.

It is an arithmetic number, because the mean of its divisors is an integer number (23015790).

Almost surely, 2^1651698048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1651698048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946021120).

1651698048 is an abundant number, since it is smaller than the sum of its proper divisors (4240344192).

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

1651698048 is a wasteful number, since it uses less digits than its factorization.

1651698048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345 (or 4333 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1651698048 is about 40641.0881744079. The cubic root of 1651698048 is about 1182.0709701118.

The spelling of 1651698048 in words is "one billion, six hundred fifty-one million, six hundred ninety-eight thousand, forty-eight".