16291002 has 32 divisors (see below), whose sum is σ = 40102272. Its totient is φ = 4296384.

The previous prime is 16290979. The next prime is 16291007. The reversal of 16291002 is 20019261.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 16291002.

It is not an unprimeable number, because it can be changed into a prime (16291007) 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 15 ways as a sum of consecutive naturals, for example, 14373 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (1253196).

Almost surely, 2^16291002 is an apocalyptic number.

16291002 is an abundant number, since it is smaller than the sum of its proper divisors (23811270).

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

16291002 is a wasteful number, since it uses less digits than its factorization.

16291002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29862.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 16291002 is about 4036.2113423358. The cubic root of 16291002 is about 253.5027056809.

The spelling of 16291002 in words is "sixteen million, two hundred ninety-one thousand, two".