16195428 has 36 divisors (see below), whose sum is σ = 41081040. Its totient is φ = 5379696.

The previous prime is 16195409. The next prime is 16195433. The reversal of 16195428 is 82459161.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 16195392 and 16195401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13051 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (1141140).

Almost surely, 2^16195428 is an apocalyptic number.

16195428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16195428 is an abundant number, since it is smaller than the sum of its proper divisors (24885612).

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

16195428 is a wasteful number, since it uses less digits than its factorization.

16195428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1571 counting only the distinct ones).

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

The square root of 16195428 is about 4024.3543581549. The cubic root of 16195428 is about 253.0059938068.

The spelling of 16195428 in words is "sixteen million, one hundred ninety-five thousand, four hundred twenty-eight".