153656 has 8 divisors (see below), whose sum is σ = 288120. Its totient is φ = 76824.

The previous prime is 153649. The next prime is 153689. The reversal of 153656 is 656351.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×153656² = 47220332672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9596 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (36015).

2¹⁵³⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

153656 is a deficient number, since it is larger than the sum of its proper divisors (134464).

153656 is a wasteful number, since it uses less digits than its factorization.

153656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213 (or 19209 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 153656 is about 391.9897957856. The cubic root of 153656 is about 53.5611435917.

The spelling of 153656 in words is "one hundred fifty-three thousand, six hundred fifty-six".