156816648 has 64 divisors (see below), whose sum is σ = 441028800. Its totient is φ = 52266384.

The previous prime is 156816637. The next prime is 156816661. The reversal of 156816648 is 846618651.

It is a super-2 number, since 2×156816648² = 49182922179911808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13015 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (6891075).

Almost surely, 2^156816648 is an apocalyptic number.

156816648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156816648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220514400).

156816648 is an abundant number, since it is smaller than the sum of its proper divisors (284212152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156816648 is an frugal number, since it uses more digits than its factorization.

156816648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8968 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 156816648 is about 12522.6454074209. The cubic root of 156816648 is about 539.2589836035.

It can be divided in two parts, 156816 and 648, that added together give a cube (157464 = 54³).

The spelling of 156816648 in words is "one hundred fifty-six million, eight hundred sixteen thousand, six hundred forty-eight".