16211130 has 64 divisors (see below), whose sum is σ = 42311808. Its totient is φ = 3951360.

The previous prime is 16211101. The next prime is 16211189. The reversal of 16211130 is 3111261.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76725 + ... + 76935.

It is an arithmetic number, because the mean of its divisors is an integer number (661122).

Almost surely, 2^16211130 is an apocalyptic number.

16211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16211130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21155904).

16211130 is an abundant number, since it is smaller than the sum of its proper divisors (26100678).

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

16211130 is a wasteful number, since it uses less digits than its factorization.

16211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16211130 is about 4026.3047574668. The cubic root of 16211130 is about 253.0877332730.

Adding to 16211130 its reverse (3111261), we get a palindrome (19322391).

The spelling of 16211130 in words is "sixteen million, two hundred eleven thousand, one hundred thirty".