15955648 has 42 divisors (see below), whose sum is σ = 32669988. Its totient is φ = 7729920.

The previous prime is 15955637. The next prime is 15955657. The reversal of 15955648 is 84655951.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 238111 + ... + 238177.

Almost surely, 2^15955648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15955648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16334994).

15955648 is an abundant number, since it is smaller than the sum of its proper divisors (16714340).

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

15955648 is an frugal number, since it uses more digits than its factorization.

15955648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 130 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 15955648 is about 3994.4521526738. The cubic root of 15955648 is about 251.7511610990.

The spelling of 15955648 in words is "fifteen million, nine hundred fifty-five thousand, six hundred forty-eight".