1656083028 has 24 divisors (see below), whose sum is σ = 3901713088. Its totient is φ = 546667776.

The previous prime is 1656083027. The next prime is 1656083047. The reversal of 1656083028 is 8203806561.

It is a happy number.

It is a super-2 number, since 2×1656083028² = 5485221991259297568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656083027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668701 + ... + 671172.

Almost surely, 2^1656083028 is an apocalyptic number.

It is an amenable number.

1656083028 is an abundant number, since it is smaller than the sum of its proper divisors (2245630060).

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

1656083028 is a wasteful number, since it uses less digits than its factorization.

1656083028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339983 (or 1339981 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1656083028 is about 40695.0000368596. Note that the first 4 decimals coincide. The cubic root of 1656083028 is about 1183.1161121787.

Adding to 1656083028 its reverse (8203806561), we get a palindrome (9859889589).

The spelling of 1656083028 in words is "one billion, six hundred fifty-six million, eighty-three thousand, twenty-eight".