656202233643 has 16 divisors (see below), whose sum is σ = 954506439936. Its totient is φ = 397685630240.

The previous prime is 656202233633. The next prime is 656202233653. The reversal of 656202233643 is 346332202656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (656202233633) and next prime (656202233653).

It is a cyclic number.

It is not a de Polignac number, because 656202233643 - 2⁴ = 656202233627 is a prime.

It is a super-2 number, since 2×656202233643² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656202233595 and 656202233604.

It is not an unprimeable number, because it can be changed into a prime (656202233633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789946 + ... + 1391552.

It is an arithmetic number, because the mean of its divisors is an integer number (59656652496).

Almost surely, 2^656202233643 is an apocalyptic number.

656202233643 is a deficient number, since it is larger than the sum of its proper divisors (298304206293).

656202233643 is a wasteful number, since it uses less digits than its factorization.

656202233643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634674.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 656202233643 in words is "six hundred fifty-six billion, two hundred two million, two hundred thirty-three thousand, six hundred forty-three".