1656106652 has 24 divisors (see below), whose sum is σ = 3053778000. Its totient is φ = 783686016.

The previous prime is 1656106619. The next prime is 1656106681. The reversal of 1656106652 is 2566016561.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69338 + ... + 90110.

It is an arithmetic number, because the mean of its divisors is an integer number (127240750).

Almost surely, 2^1656106652 is an apocalyptic number.

It is an amenable number.

1656106652 is a deficient number, since it is larger than the sum of its proper divisors (1397671348).

1656106652 is a wasteful number, since it uses less digits than its factorization.

1656106652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845 (or 21843 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1656106652 is about 40695.2902926125. The cubic root of 1656106652 is about 1183.1217378633.

Subtracting 1656106652 from its reverse (2566016561), we obtain a palindrome (909909909).

The spelling of 1656106652 in words is "one billion, six hundred fifty-six million, one hundred six thousand, six hundred fifty-two".