16920468 has 24 divisors (see below), whose sum is σ = 43868160. Its totient is φ = 5640120.

The previous prime is 16920461. The next prime is 16920473. The reversal of 16920468 is 86402961.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78228 + ... + 78443.

It is an arithmetic number, because the mean of its divisors is an integer number (1827840).

Almost surely, 2^16920468 is an apocalyptic number.

16920468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16920468 is an abundant number, since it is smaller than the sum of its proper divisors (26947692).

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

16920468 is a wasteful number, since it uses less digits than its factorization.

16920468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156684 (or 156676 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 16920468 is about 4113.4496471939. The cubic root of 16920468 is about 256.7265533691.

The spelling of 16920468 in words is "sixteen million, nine hundred twenty thousand, four hundred sixty-eight".