16191002 has 16 divisors (see below), whose sum is σ = 25691040. Its totient is φ = 7631568.

The previous prime is 16191001. The next prime is 16191029. The reversal of 16191002 is 20019161.

It is a super-3 number, since 3×16191002³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16191001) by changing a digit.

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, 7688 + ... + 9564.

It is an arithmetic number, because the mean of its divisors is an integer number (1605690).

Almost surely, 2^16191002 is an apocalyptic number.

16191002 is a deficient number, since it is larger than the sum of its proper divisors (9500038).

16191002 is a wasteful number, since it uses less digits than its factorization.

16191002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 16191002 is about 4023.8044187063. The cubic root of 16191002 is about 252.9829439569.

The spelling of 16191002 in words is "sixteen million, one hundred ninety-one thousand, two".