16215948 has 72 divisors (see below), whose sum is σ = 47218080. Its totient is φ = 4596480.

The previous prime is 16215923. The next prime is 16215961. The reversal of 16215948 is 84951261.

16215948 is a `hidden beast` number, since 1 + 62 + 1 + 594 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57568 + ... + 57848.

Almost surely, 2^16215948 is an apocalyptic number.

16215948 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 16215948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23609040).

16215948 is an abundant number, since it is smaller than the sum of its proper divisors (31002132).

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

16215948 is a wasteful number, since it uses less digits than its factorization.

16215948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 522 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 16215948 is about 4026.9030283830. The cubic root of 16215948 is about 253.1128036190.

It can be divided in two parts, 1621 and 5948, that added together give a square (7569 = 87²).

The spelling of 16215948 in words is "sixteen million, two hundred fifteen thousand, nine hundred forty-eight".