16401030 has 32 divisors (see below), whose sum is σ = 39564288. Its totient is φ = 4351200.

The previous prime is 16401023. The next prime is 16401031. The reversal of 16401030 is 3010461.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401031) by changing a digit.

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, 5035 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (1236384).

Almost surely, 2^16401030 is an apocalyptic number.

16401030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16401030 is an abundant number, since it is smaller than the sum of its proper divisors (23163258).

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

16401030 is a wasteful number, since it uses less digits than its factorization.

16401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 16401030 is about 4049.8185144522. The cubic root of 16401030 is about 254.0721373217.

Adding to 16401030 its reverse (3010461), we get a palindrome (19411491).

The spelling of 16401030 in words is "sixteen million, four hundred one thousand, thirty".