156863201 has 16 divisors (see below), whose sum is σ = 173788416. Its totient is φ = 140400000.

The previous prime is 156863153. The next prime is 156863227. The reversal of 156863201 is 102368651.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 156863201 - 2¹⁰ = 156862177 is a prime.

It is a deceptive number, since it divides R_156863200.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (156863251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300821 + ... + 301341.

It is an arithmetic number, because the mean of its divisors is an integer number (10861776).

Almost surely, 2^156863201 is an apocalyptic number.

156863201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156863201 is a deficient number, since it is larger than the sum of its proper divisors (16925215).

156863201 is a wasteful number, since it uses less digits than its factorization.

156863201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 156863201 is about 12524.5040221160. The cubic root of 156863201 is about 539.3123402677.

The spelling of 156863201 in words is "one hundred fifty-six million, eight hundred sixty-three thousand, two hundred one".