156656 has 10 divisors (see below), whose sum is σ = 303552. Its totient is φ = 78320.

The previous prime is 156641. The next prime is 156659. The reversal of 156656 is 656651.

156656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156656² = 49082204672, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156659) by changing a digit.

156656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4880 + ... + 4911.

2¹⁵⁶⁶⁵⁶ is an apocalyptic number.

156656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156656 is a deficient number, since it is larger than the sum of its proper divisors (146896).

156656 is an equidigital number, since it uses as much as digits as its factorization.

156656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799 (or 9793 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 156656 is about 395.7979282412. The cubic root of 156656 is about 53.9074775958.

The spelling of 156656 in words is "one hundred fifty-six thousand, six hundred fifty-six".