15918672 has 160 divisors (see below), whose sum is σ = 52853760. Its totient is φ = 4008960.

The previous prime is 15918667. The next prime is 15918673. The reversal of 15918672 is 27681951.

15918672 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

15918672 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 15918672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15918673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218028 + ... + 218100.

It is an arithmetic number, because the mean of its divisors is an integer number (330336).

Almost surely, 2^15918672 is an apocalyptic number.

15918672 is a gapful number since it is divisible by the number (12) 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 15918672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26426880).

15918672 is an abundant number, since it is smaller than the sum of its proper divisors (36935088).

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

15918672 is a wasteful number, since it uses less digits than its factorization.

15918672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 15918672 is about 3989.8210486186. The cubic root of 15918672 is about 251.5565392953.

The spelling of 15918672 in words is "fifteen million, nine hundred eighteen thousand, six hundred seventy-two".