16629402 has 16 divisors (see below), whose sum is σ = 33514272. Its totient is φ = 5500560.

The previous prime is 16629401. The next prime is 16629409. The reversal of 16629402 is 20492661.

It is a self number, because there is not a number n which added to its sum of digits gives 16629402.

It is not an unprimeable number, because it can be changed into a prime (16629401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9793 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (2094642).

Almost surely, 2^16629402 is an apocalyptic number.

16629402 is an abundant number, since it is smaller than the sum of its proper divisors (16884870).

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

16629402 is a wasteful number, since it uses less digits than its factorization.

16629402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16629402 is about 4077.9163797214. The cubic root of 16629402 is about 255.2459602990.

The spelling of 16629402 in words is "sixteen million, six hundred twenty-nine thousand, four hundred two".