16400130 has 16 divisors (see below), whose sum is σ = 39360384. Its totient is φ = 4373360.

The previous prime is 16400101. The next prime is 16400141. The reversal of 16400130 is 3100461.

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

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 7 ways as a sum of consecutive naturals, for example, 273306 + ... + 273365.

It is an arithmetic number, because the mean of its divisors is an integer number (2460024).

Almost surely, 2^16400130 is an apocalyptic number.

16400130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16400130 is an abundant number, since it is smaller than the sum of its proper divisors (22960254).

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

16400130 is a wasteful number, since it uses less digits than its factorization.

16400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546681.

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

The square root of 16400130 is about 4049.7073968375. The cubic root of 16400130 is about 254.0674898675.

Adding to 16400130 its reverse (3100461), we get a palindrome (19500591).

The spelling of 16400130 in words is "sixteen million, four hundred thousand, one hundred thirty".