169402402 has 16 divisors (see below), whose sum is σ = 274091832. Its totient is φ = 78059520.

The previous prime is 169402367. The next prime is 169402411. The reversal of 169402402 is 204204961.

169402402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 130850721 + 38551681 = 11439^2 + 6209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12258 + ... + 22114.

Almost surely, 2^169402402 is an apocalyptic number.

169402402 is a deficient number, since it is larger than the sum of its proper divisors (104689430).

169402402 is a wasteful number, since it uses less digits than its factorization.

169402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 169402402 is about 13015.4677979702. The cubic root of 169402402 is about 553.3159481482.

The spelling of 169402402 in words is "one hundred sixty-nine million, four hundred two thousand, four hundred two".