1651506016 has 24 divisors (see below), whose sum is σ = 3253048344. Its totient is φ = 825335040.

The previous prime is 1651505971. The next prime is 1651506019. The reversal of 1651506016 is 6106051561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651506019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56911 + ... + 80881.

It is an arithmetic number, because the mean of its divisors is an integer number (135543681).

Almost surely, 2^1651506016 is an apocalyptic number.

1651506016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1651506016 is a deficient number, since it is larger than the sum of its proper divisors (1601542328).

1651506016 is a wasteful number, since it uses less digits than its factorization.

1651506016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26134 (or 26126 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1651506016 is about 40638.7255705688. The cubic root of 1651506016 is about 1182.0251578136.

Adding to 1651506016 its reverse (6106051561), we get a palindrome (7757557577).

The spelling of 1651506016 in words is "one billion, six hundred fifty-one million, five hundred six thousand, sixteen".