1656506061 has 48 divisors (see below), whose sum is σ = 2902348800. Its totient is φ = 888758784.

The previous prime is 1656506053. The next prime is 1656506077. The reversal of 1656506061 is 1606056561.

1656506061 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1656506061 - 2³ = 1656506053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656506011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 511395 + ... + 514623.

It is an arithmetic number, because the mean of its divisors is an integer number (60465600).

Almost surely, 2^1656506061 is an apocalyptic number.

It is an amenable number.

1656506061 is a deficient number, since it is larger than the sum of its proper divisors (1245842739).

1656506061 is a wasteful number, since it uses less digits than its factorization.

1656506061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1656506061 is about 40700.1973091040. The cubic root of 1656506061 is about 1183.2168427460.

The spelling of 1656506061 in words is "one billion, six hundred fifty-six million, five hundred six thousand, sixty-one".