1656106653 has 8 divisors (see below), whose sum is σ = 2208330688. Its totient is φ = 1103976864.

The previous prime is 1656106619. The next prime is 1656106681. The reversal of 1656106653 is 3566016561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1656106653 - 2¹⁰ = 1656105629 is a prime.

It is a super-3 number, since 3×1656106653³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656102653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52800 + ... + 78102.

It is an arithmetic number, because the mean of its divisors is an integer number (276041336).

Almost surely, 2^1656106653 is an apocalyptic number.

It is an amenable number.

1656106653 is a deficient number, since it is larger than the sum of its proper divisors (552224035).

1656106653 is a wasteful number, since it uses less digits than its factorization.

1656106653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47123.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 1656106653 is about 40695.2903048989. The cubic root of 1656106653 is about 1183.1217381014.

The spelling of 1656106653 in words is "one billion, six hundred fifty-six million, one hundred six thousand, six hundred fifty-three".